Many experiments_____before the research team was able to get the exact data to carry on project.
A.have done
B.had been doing
C.had been done
D.have been done
试卷相关题目
- 1It was the fifth time that he ______ to such a meeting.
A.have been invited
B.was invited
C.had invited
D.had been invited
开始考试点击查看答案 - 2I___ Beijing in a few days. Do you know when the earliest plane ____ ?
A.leaves; takes off
B.am leaving; takes off
C.leave; is taking off
D.am leaving; is taking off
开始考试点击查看答案 - 3—Why did you leave the lights burning? —Heavens! I guess I _____to turn them off.
A.would forget
B.had forgot
C.forgot
D.have forgot
开始考试点击查看答案 - 4–Are you still very busy?--Yes, I _____ the report for the manager and it won't take long.
A.have just finished
B.am just finishing
C.had just finished
D.am just going to finish
开始考试点击查看答案 - 5If you talk to your children as if they_______ adults, you will strengthen the bonds and become closer friends.
A.are
B.were
C.have been
D.would be
开始考试点击查看答案 - 6With the cell phone available, I can do whatever I want to do and still______in touch with my parents and friends.
A.stay
B.to stay
C.staying
D.Stayed
开始考试点击查看答案 - 7—How did you know it? —Well, the news ____ all over the town.
A.was spread
B.spread
C.was spreading
D.had been spread
开始考试点击查看答案 - 8Following the successful Beijing Olympic shanghai________70 million people for the 2010 World Expo.
A.expects
B.is expected
C.is expecting
D.has expected
开始考试点击查看答案 - 9In this experiment, they are woken up several times during the night, and asked to report what they _______.
A.are dreaming
B.had dream
C.had been dreaming
D.have been dreaming
开始考试点击查看答案 - 10My goodness. How lucky we are! If there had been places for us on that aero-plane, we ________dead now.
A.will be
B.would be
C.would have been
D.had been
开始考试点击查看答案