The original sentence is a fragment; the entire phrase is just a subject. To fix this, end the “which” phrase after sentiment so that “was” becomes the main verb. Nothing else needs to be changed. The options with “even though” introduce a transition that is illogical; the family value does not make it more likely to be found.

The problem with the original sentence is that it compares two unlike things: the action of taking a vacation to the mountains to the person of the husband. To correct this, simply add “would” after husband. Now the sentence compares the speaker’s preferences to her husband’s.

This sentence does not show parallel structure. The correct answer structures all three items in the list in the same way. It is also more concise; the words “also” and “we could” aren’t really necessary.

Since “every student” is singular, “their” should be replaced by “his or her.” “Their” can only refer to a group of people.

“Being” is an example of incorrect gerund usage. A better option would be, “Without your awareness,” which would eliminate the –ing verb altogether.

Watch out for odd variants of “to be” such as “being” and even worse, “having been being.” There is usually a cleaner way to phrase this. In this case, replacing it with “as” is the most concise and clear solution.

The original sentence is needlessly in the passive voice. The correct option rephrases it so that it is in the active voice: the doer of the action is the subject of the sentence. The other options, both active and passive, drag out the sentence by separating the verbs.

The sentence should begin, “If I were you.” “Was” is the simple past tense, while “were” is the subjunctive. It indicates a hypothetical situation.

The key here is to pay heed to the description “burden” in the subordinate clause. The word we are searching for will best match that notion. While a burdensome task might be "remarkable" or "outstanding" (or even perhaps the other more negative choices), it most definitely is “onerous,” which means excessively burdensome. (This is further supported by the adjective “greatest” describing the perceived burden.)

The word “onerous” is derived from the Latin "onus," which means burden or load. Our English is derived from a form of the word that has the base “oner-.”

The necessary word describes a strengthening of the activity of standing. (The key to this interpretation is the phrase “but also”); therefore, the best fit is “ambulatory,” which means able to walk.

It is derived from the Latin "ambulare," to walk, which has derivatives not only in words like "ambulate" but likewise in the more familiar “ambulance,” which is indirectly derived from the Latin via a French expression for a type of moving (in a broad sense, "ambulating") field hospital.