10. The professor … the material before he gave the quiz.
a) was reviewing b) has reviewed c) had reviewed
11. She does her room every day, … she ?
a) doesn’t she b) does she c) isn’t she
12. If I … in her place, I should go there.
a) was b) were c) had been
Answers & Comments
10 c
11 a
12 b
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