All possible means _____ been tried to stop the air______.
A.has, polluted
B.have, polluting
C.have, being polluted
D.has, being polluted
试卷相关题目
- 1The teacher commanded that the exercises _______ in an hour.
A.was finished
B.were finished
C.should finish
D.be finished
开始考试点击查看答案 - 2The rest of the apple _________.
A.were throwing away
B.was throwing away
C.were thrown away
D.was thrown away
开始考试点击查看答案 - 3.Her pale face suggested she____ill,and our suggestion was that she_____to see a doctor.
A.was,go
B.be,go
C.was,went
D.was had gone
开始考试点击查看答案 - 4With the launch of the Shenzhou VII spaceship last week, more and more Chinese people __________ of one day living on the moon.
A.have dreamed
B.dream
C.are dreaming
D.are dreamed
开始考试点击查看答案 - 5. These old buildings possibly __________ the Ming Dynasty.
A.dated back to
B.date back to
C.date back
D.are dated back to
开始考试点击查看答案 - 6—What are you going to do this afternoon? —I am going to the cinema with some friends. The film ____ quite early, so we ____ to the book-store after that.
A.finished; are going
B.finished; go
C.finishes; are going
D.finishes; go
开始考试点击查看答案 - 7I ___ on my report next week so I won't be able to meet you any day.
A.am working
B.will be working
C.was working
D.have been working
开始考试点击查看答案 - 8It's nice to see you again. What _____ since we last met?
A.have you done
B.had you done
C.have you been doing
D.did you do
开始考试点击查看答案 - 9Some people in Beijing go to work half an hour earlier every day to avoid ______ in the traffic jam
A.to catch
B.catching
C.to be caught
D.being caught
开始考试点击查看答案 - 10Ted ______ for two months in London last year to receive his yearly training.
A.stayed
B.has stayed
C.had stayed
D.would stay
开始考试点击查看答案