You________ the work better, but you didn’t put more efforts to it.
A. must have done B. can have done C. should have D. could have done
The professor you referred to in the letter______ us students three lectures by next Monday.
A. has given B. will given C. will have given D. Gave
—What do you think has caused his heart attack?
—It is ______.
A. because of his overweight B. due to his being overweight
C. his being overweight D. he is so overweight
—Do you have any idea why the engineer resigned?
—No. In fact, everyone is ____about it.
A. doubtful B. curious C. enthusiastic D. annoyed
It’s required that the students______ mobile phones in their school, so seldom ______ them using one.
A. not use; will you see B. should not use; you will see
C. don’t use; will you see D. would not use; you will see
“It isn’t the first time I ________ at home,” he said frankly.
A. had spoiled B. have spoiled C. had been spoiled D. have been spoiled
