Question 37. Teachers don't like it when you talk. They are trying to teach.

A. If teachers don't like it when you talk, they are trying to teach.

B. Teachers don't like it when you talk because they are trying to teach.

C. As teachers don't like it when you talk, they are trying to teach.

D. Teachers don't like it when you talk while they are trying to teach.

Question 39. The street is so crowded. I can't go through it.

A. It is such a narrow street that I can't go through it.

B. The street is so crowded and I don't want to go through it.

C. I can't go through the street on a crowded day.

D. It is such a crowded street that I can't go through it.

Question 40. Mi didn't come to class yesterday. This surprised all of us.

A. Which surprised all of us that Mi didn't come to class yesterday.

B. Mi didn't come to class yesterday, which surprised all of us.

C. Mi didn't come to class yesterday that surprised all of us.

D. This Mi didn't come to class yesterday surprised all of us.

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