Looking at our answer choices, there are four types of sentences:

1. A declarative sentence is a sentence that tells the reader about something, and it will always end with a period.
2. An imperative sentence is a sentence that is a command, it tells someone to do something. This type of sentence will end in either a period or an exclamation point. 
3. An interrogative sentence is a sentence that asks something, it's a question. This type of sentence will always end with a question mark.
4. An exclamatory sentence is a sentence that shows excitement, surprise, or a strong emotion. This type of sentence will always end with an exclamation point.

Let's look at the sentence from the question:

Her name is Megan. 

This sentence is telling us something and it ends in a period. This is a declarative sentence. 

Looking at our answer choices, there are four types of sentences:

1. A declarative sentence is a sentence that tells the reader about something, and it will always end with a period.
2. An imperative sentence is a sentence that is a command, it tells someone to do something. This type of sentence will end in either a period or an exclamation point. 
3. An interrogative sentence is a sentence that asks something, it's a question. This type of sentence will always end with a question mark.
4. An exclamatory sentence is a sentence that shows excitement, surprise, or a strong emotion. This type of sentence will always end with an exclamation point.

Let's look at the sentence from the question:

My favorite color is green. 

This sentence is telling us something and it ends in a period. This is a declarative sentence. 

Looking at our answer choices, there are four types of sentences:

1. A declarative sentence is a sentence that tells the reader about something, and it will always end with a period.
2. An imperative sentence is a sentence that is a command, it tells someone to do something. This type of sentence will end in either a period or an exclamation point. 
3. An interrogative sentence is a sentence that asks something, it's a question. This type of sentence will always end with a question mark.
4. An exclamatory sentence is a sentence that shows excitement, surprise, or a strong emotion. This type of sentence will always end with an exclamation point.

Let's look at the sentence from the question:

Pizza is my favorite food. 

This sentence is telling us something and it ends in a period. This is a declarative sentence. 

Looking at our answer choices, there are four types of sentences:

1. A declarative sentence is a sentence that tells the reader about something, and it will always end with a period.
2. An imperative sentence is a sentence that is a command, it tells someone to do something. This type of sentence will end in either a period or an exclamation point. 
3. An interrogative sentence is a sentence that asks something, it's a question. This type of sentence will always end with a question mark.
4. An exclamatory sentence is a sentence that shows excitement, surprise, or a strong emotion. This type of sentence will always end with an exclamation point.

Let's look at the sentence from the question:

Help me set the table. 

This sentence is telling someone to do something- set the table. This is an imperative sentence. 

Looking at our answer choices, there are four types of sentences:

1. A declarative sentence is a sentence that tells the reader about something, and it will always end with a period.
2. An imperative sentence is a sentence that is a command, it tells someone to do something. This type of sentence will end in either a period or an exclamation point. 
3. An interrogative sentence is a sentence that asks something, it's a question. This type of sentence will always end with a question mark.
4. An exclamatory sentence is a sentence that shows excitement, surprise, or a strong emotion. This type of sentence will always end with an exclamation point.

Let's look at the sentence from the question:

Hand me the phone.

This sentence is telling someone to do something- hand me the phone. This is an imperative sentence. 

Looking at our answer choices, there are four types of sentences:

1. A declarative sentence is a sentence that tells the reader about something, and it will always end with a period.
2. An imperative sentence is a sentence that is a command, it tells someone to do something. This type of sentence will end in either a period or an exclamation point. 
3. An interrogative sentence is a sentence that asks something, it's a question. This type of sentence will always end with a question mark.
4. An exclamatory sentence is a sentence that shows excitement, surprise, or a strong emotion. This type of sentence will always end with an exclamation point.

Let's look at the sentence from the question:

Give her the book. 

This sentence is telling someone to do something- give her the book. This is an imperative sentence. 

Looking at our answer choices, there are four types of sentences:

1. A declarative sentence is a sentence that tells the reader about something, and it will always end with a period.
2. An imperative sentence is a sentence that is a command, it tells someone to do something. This type of sentence will end in either a period or an exclamation point. 
3. An interrogative sentence is a sentence that asks something, it's a question. This type of sentence will always end with a question mark.
4. An exclamatory sentence is a sentence that shows excitement, surprise, or a strong emotion. This type of sentence will always end with an exclamation point.

Let's look at the sentence from the question:

Today is my birthday!

This sentence is ends in an explanation. This is an exclamatory sentence. 

Looking at our answer choices, there are four types of sentences:

1. A declarative sentence is a sentence that tells the reader about something, and it will always end with a period.
2. An imperative sentence is a sentence that is a command, it tells someone to do something. This type of sentence will end in either a period or an exclamation point. 
3. An interrogative sentence is a sentence that asks something, it's a question. This type of sentence will always end with a question mark.
4. An exclamatory sentence is a sentence that shows excitement, surprise, or a strong emotion. This type of sentence will always end with an exclamation point.

Let's look at the sentence from the question:

I just got a puppy!

This sentence is ends in an explanation. This is an exclamatory sentence. 

Looking at our answer choices, there are four types of sentences:

1. A declarative sentence is a sentence that tells the reader about something, and it will always end with a period.
2. An imperative sentence is a sentence that is a command, it tells someone to do something. This type of sentence will end in either a period or an exclamation point. 
3. An interrogative sentence is a sentence that asks something, it's a question. This type of sentence will always end with a question mark.
4. An exclamatory sentence is a sentence that shows excitement, surprise, or a strong emotion. This type of sentence will always end with an exclamation point.

Let's look at the sentence from the question:

I got an A on the test!

This sentence is ends in an explanation. This is an exclamatory sentence. 

Of our answer choices, "September" should be capitalized because it's a month and months are always capitalized. "Dog", "bark", and "run" would only need to be capitalized if they were at the beginning of a sentence.