—Peter , where did you guys go for the summer vacation?
—We________ busy with our work for months, so we went to the beach to relax ourselves.
A. were B. have been C. had been D. will be
So far we have done a lot to build a low-carbon economy, but it is________ ideal. We have to work still harder.
A. next to B. far from C. out of D. due to
The retired man donated most of his savings to the school damaged by the earthquake in Yushu ,________the students to return to their classrooms. A. enabling B. having enabled C. to enable D. to have enabled
—Do you think their table tennis team will win the first place at the coming Asian Games?
—_________.Ours is much stronger than theirs.
A. Of course B. It depends C. Don’t mention it D. By no means
The experiment has_________ the possibility of the existence of any life on that planet, but it does not mean there is no life on other planets.
A. found out B. pointed out C. ruled out D. carried out
—I haven’t got the reference book yet, but I’ll have a test on the subject next month.
—Don’t worry. You______ have it by Friday.
A. could B. shall C. must D. may
