Do you know many man-made satellites _____ space by our scientists since the middle of the twentieth century?
A.have sent into
B.were carried into
C.have been sent into
D.have been brought into
试卷相关题目
- 1Food supplies in the floodstricken area ________. We must act immediately before there's none left.
A.have run out
B.are running out
C.have been run out
D.are being run out
开始考试点击查看答案 - 2Animals often try to hide or run away when they .
A.have been attacked
B.will attack
C.have attacked
D.are being attacked
开始考试点击查看答案 - 3Many new workers ________ and after six months they will be sent to build a new railway.
A.are being trained
B.are training
C.will train
D.will be trained
开始考试点击查看答案 - 4—Have you washed your clothes yet?—They________ now.
A.has washed
B.is washed
C.are being washed
D.is washing
开始考试点击查看答案 - 5—Hi, Tom, can I use your computer for a while this afternoon? —Sorry. ________.
A.It's repaired
B.It's being repaired
C.It has been repaired
D.It had been repaired
开始考试点击查看答案 - 6Tigers ____and killed at such a speed that they will disappear from the earth in near future.
A.hunted
B.are hunted
C.are being hunted
D.had been hunted
开始考试点击查看答案 - 7All the preparations for the task _____, and we're ready to start.
A.completed
B.complete
C.had been completed
D.have been completed
开始考试点击查看答案 - 8— Can I sit at the table? — Sorry, but it _____ already.
A.was taken
B.has taken
C.has been taken
D.will be taken
开始考试点击查看答案 - 9The village which they lived in for many years ____ by Typhoon Morakot and now there is nothing to be seen.
A.was destroyed
B.has been destroyed
C.destroyed
D.had destroyed
开始考试点击查看答案 - 10Two thirds of the subway construction ____ so far and people will enjoy a fast and convenient trip under the city early next year.
A.have been completed
B.is being completed
C.has been completed
D.will be completed
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