______ we admit that there are some problems with the new system, we believe they can be solved.
A. Until B. While
C. As D. Unless
The degree _______ the company is able to cope with the uncertainty of the future is worth studying.
A. of how B. to that
C. to which D. on which
Without professional training, you may _______ lots of bad habits when learning to play the piano.
A. give up B. catch up
C. keep up D. pick up
Mandy _________ adoption since her son’s death, but her husband didn’t agree with her.
A. has considered B. has been considering
C. is going to consider D. had considered
---What do you think of her new book? --- There is nothing special about it. I mean it is just__________.
A. average B. usual
C. normal D. strange
According to a recent study, women are _____ to suffer from stomach cancer as men.
A. twice more likely B. twice as likely
C. more likely twice D. as twice likely
