Since Sarah's mind wandered, it means that she was in a dreamlike state or "reverie." The other choices don't fit nearly as well: a "prologue" is an introduction; a "saga" is an epic story; an "anecdote" is a short story told casually, often in the middle of a larger work; and a "soliloquy" is a monologue in a play during which a character addresses the audience directly without other characters being aware of what he or she is saying.

Since the sentence mentions positivity, it indicates that the person it is referring to is most likely a person who sees everything from a hopeful or happy perspective, also known as an "optimist." None of the other answer choices make sense in the blank: a "pacifist" is someone who refuses to fight and believes there is no good reason to do so; a "pessimist" is someone who sees everything in a negative way; an "inventor" is someone who designs and builds inventions, and a "tyrant" is a domineering leader.

The sentence implies a contrast by saying that Sally's life "regained" peace and calm. The implication is that, for a while at least, it did not have such peace. When someone's life is in a state of "turmoil," it is greatly disturbed. Often, you will hear this used in a phrase like "political turmoil," describing upheavals that occur in a country that is experiencing uprisings and protests.

For this sentence, you need to be careful that you are not tempted to answer with something that is far too specific based on the provided data. A "reservoir" is some sort of lake or large containment area used for holding water. All that we can tell is that the city finally received some sort of liquid after the period of dry days. Thus, the best answer is the very general term "precipitation," which indicates some sort of liquid that falls to the ground from the clouds. (More generally, "precipitation" is anything that "falls" out of a solution. In chemistry class, you may have seen this phenomenon, when several chemicals are added to make a single "precipitate" appear as a solid in a solution after a reaction. We most frequently use the term to describe when water "falls" from the "solution" that is the air.)

The sentence tells us that whatever instrument is being used measures pressure in the atmosphere. This means the correct answer is a “barometer.” The suffix "-meter" means measurement, so a “fathometer” is used to measure depth; an “odometer” measures distance travelled; a “speedometer” measures speed; a “wattmeter” measures electrical power. 

The author tells us that there will always be things to overcome in life and it is important not to give up. The best answer choice is “obstacles,” which are things that need to be overcome, things that get in the way. To provide further help, “parity” means equality; “ceremonies” are formal meetings done for purposes of tradition or ceremony; “jubilations” are happy celebrations.

This sentence indicates that the diversity in the United States is partly due to peoples' beliefs or "creeds." "Creeds"are ethical codes and are what the sentence is referring to in terms of diversity. The other word choices do not mean the same thing and/or don't refer to the same sort of diversity.

This sentence suggests an informal meeting or "rendezvous" was arranged between Jessica and her friends. A "council" is a panel of people; an "assembly" is a formal grouping of people; a "conference" is a formal meeting; and a "function" is synonymous with "conference."

The rock overhang served as shelter from the pouring rain, and therefore it acted as a "haven." The other answer choices mean the following: a "protrusion" is an outgrowth; a "precipice" is a ledge; and a "reservation" is an area of land managed by a certain group of people or a tribe.

The sentence suggests that the object in question is an instrument used to measure temperatures. This means that the correct answer is “thermometer.” The suffix "-meter" is used in English to refer to something that measures things. So a “barometer” is an instrument that measures pressure; an “altimeter” is an instrument that measures height or altitude; a “chronometer” is an instrument that measures time; a “fathometer” is an instrument that measures depth.