-Hi, John. Shall we go to Australia for the long holiday?-Sorry. I __________ t
题型:同步题难度:来源:
-Hi, John. Shall we go to Australia for the long holiday? -Sorry. I __________ there twice. |
[ ] |
A. have gone B. was C. have been |
答案
C |
举一反三
Several man-made satellites _______ in Xichang in the past five years. |
[ ] |
A. have sent B. have sent up C. has been sent up D. have been sent up |
-It"s difficult for the village children to cross the river for school. - I think a bridge _________ over the river. |
[ ] |
A. was built B. is being built C. should be built D. has been built |
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 |
Since the beginning of this year no issue _____ yet. |
[ ] |
A. is published B. has been published C. will be published D. was published |
So far, how many digital cameras _____ in your shop? |
[ ] |
A. are sold B. will sell C. sold D. have been sold |
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