Two manned spacecraft _____ into space in China in the past few years.[ ]A.

题型：同步题难度：来源：

Two manned spacecraft _____ into space in China in the past few years.[ ]
A. was sent
B. has been sent
C. are sent
D. have been sent

答案

举一反三

Since the beginning of this year no issue _____ yet.[     ]
A. is published
B. has been published
C. will be published
D. was published

题型：同步题难度：| 查看答案

So far, how many digital cameras _____ in your shop?[ ]

A. are sold
B. will sell
C. sold
D. have been sold

题型：同步题难度：| 查看答案

Great changes _____ in our country recently.[     ]
A. have happened
B. happened
C. have been happened
D. were happened

题型：同步题难度：| 查看答案

—What"s the result of the math test?
—Not only you but also he_____ the exam.   [     ]
A. pass
B. have passed
C. has passed
D. is passed

题型：同步题难度：| 查看答案

—Why didn"t you go to see the film yesterday?
—Because I _____ it twice.       [     ]
A. had seen
B. have seen
C. saw
D. has seen

题型：同步题难度：| 查看答案