—Why does the river smell terrible? —Because large quantities of water__________.
A.have polluted
B.is being polluted
C.has been polluted
D.have been polluted
试卷相关题目
- 1I became a teacher in 1993. I _______ for 13 years by next summer.
A.has taught
B.will teach
C.has been teaching
D.will have been teaching
开始考试点击查看答案 - 2-----Do you know if the old man is still living? ----- I'm sorry. He_______. He_______ for two months.
A.died, has died
B.has died, has been dead
C.has been dead, died
D.has died, has dead
开始考试点击查看答案 - 3—I don't know why Tom was absent from yesterday's meeting. —He must have been sick, _______?
A.isn't he
B.didn't he
C.wasn't he
D.mustn't he
开始考试点击查看答案 - 4It is everybody's desire that every effort_________ to reduce the pollution in our city.
A.was made
B.be made
C.will be made
D.would be made
开始考试点击查看答案 - 5The film ______for ten minutes.
A.has begun
B.has been begun
C.has been on
D.began
开始考试点击查看答案 - 6---Hi, Tom. ---Hello, Fancy. I ______ you were here.
A.don't know
B.won't think
C.think
D.didn't know
开始考试点击查看答案 - 7There was no room for you. All the seats ______.
A.are taken
B.was taken
C.had taken
D.had been taken
开始考试点击查看答案 - 8Our monitor, who by then ______ admission to Fudan University, decided to do some part-time jobs to gain more practical experience.
A.gained
B.was gaining
C.has gained
D.had gained
开始考试点击查看答案 - 9Stop! A little boy_________ the street.
A.is crossing
B.crosses
C.crossed
D.has crossed
开始考试点击查看答案 - 10A new school ______ these days.
A.is building
B.is built
C.well build
D.is being built
开始考试点击查看答案