They have __________ the film before.[ ]A. seeB. to seeC. seeingD. seen

题型：同步题难度：来源：

They have __________ the film before.[ ]
A. see
B. to see
C. seeing
D. seen

答案

举一反三

—I’m sorry to have kept you waiting long.
—Never mind. I _____ here for only a few minutes. [ ]
A. have been
B. have come
C. have arrived
D. waited

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-Do you know him well?
-Sure. We __________ friends since ten years ago.[ ]
A. were
B. have been
C. have become
D. have made

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Hurry up! The play __________ for ten minutes.[ ]
A. has begun
B. had begun
C. has been on
D. began

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Zhao Lan ______already  ______in this school for two years.[     ]
A. was ; studying
B. will ; study
C. has ; studied
D. are ; studying

题型：同步题难度：| 查看答案

I have______ a teacher for ten years.    [     ]
A. be
B. being
C. been
D. am

题型：月考题难度：| 查看答案