1. I don't think Adam____ what the coach told us. A. was understanding. B. has been understanding. C. understood D. had been understanding
2. Shirley____ to speak Russian before she met Ivan. A. use not. B. hasn't used. C. wasn't used. D. didn't use
3.Before the exam, I____ everything - except the questions they asked. A. had studied B. study. C. have studied D. was studying