Which sentence contains an inappropriate shift in person? Before you leave for the day, make sure you turn off all the lights to save energy.

Many people have forgotten the name of their first teacher.

Neither Mike nor Dave remembered to bring his guitar to the party.

Some actors work as a waiter until their big break.

Some actors work as a waiter until their big break.

Explanation:

The sentence that contains an inappropriate shift in person is the last one. Instead of a waiter, we should say waiters (Some actors work as waiters...). Actors is a plural noun and it should be followed by a plural noun. Another thing that confirms this is the use of the plural possessive pronoun their.

The rest of the sentences are correct. In the first sentence, there is no dilemma. In the second sentence, we have the phrase many people, which requires a plural verb and plural possessive pronoun. These conditions are fulfilled. The third sentence is a bit tricky because of the correlative conjunction neither... nor. The verb and possessive pronoun should be in the singular form in this case (as Dave is a singular noun), and they are, which makes this sentence correct.

This is why the fourth option is the correct answer.

The option that best describes the couplets is:

A. The first focuses on Barbara's actions and the second on Jackson's.

Explanation:

The first couplet is:

In her attic window the staff she set,

To show that one heart was loyal yet.

This is about Barbara's action of placing the flag outside the attic window. Barbara is an old woman who is showing her loyalty to her country by hanging the flag where everyone can see it.

The second couplet is:

Up the street came the rebel tread,

Stonewall Jackson riding ahead.

The focus here is not on Barbara anymore, but on Jackson. He and the rebels are marching up the street. The following couplets will reveal that, upon seeing the flag, Jackson orders his men to shoot. Barbara then reacts by appearing at the window, holding the flag, asking those men to respect it.

We can safely say, thus, that the first couplet focuses on Barbara's actions, while the second one focuses on Jackson's.