Students are required to go out in couples, especially in the evenings, with friends ______ they get into trouble.
A. even if B. if only C. in case D. when
After a long vacation, Mike came back _________.
A. freshly and strongly B. fresh and strong
C. being fresh and strong D. to be fresh and strong
This sweater fits me, but I can’t afford to buy __________. I have to choose _________ which is cheap enough for me.
A. it; that B. that; it C. it; one D. that; the one
He suggested the problem worth paying attention ______ at the meeting.
A. to be discussed B. to being discussed C. to discuss D. to discussing
I fixed my eyes upon the newcomer, wondering whether I ________ him somewhere before．
A. saw B. has seen C. had seen D. would see
一I’m sorry! I would have taken him to hospital if I had known he was seriously ill.
一But ______ .
A. you didn’t B. you hadn’t C. he wasn’t D. you aren’t
