The young trees should _____ often. [ ]A. water B. be watered C. waters D
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The young trees should _____ often. |
[ ] |
A. water B. be watered C. waters D. watered |
答案
B |
举一反三
Children under l. 2m in height in the concert. |
[ ] |
A. allow B. are allowed C. aren"t allow D. aren"t allowed |
I think some school rules should soon. |
[ ] |
A. be change B. be changed C. be changing D. change |
—Have you moved into your new flat, Mr. Smith? — Not yet, the rooms ________ next month. |
[ ] |
A. are painted B. are painting C. will paint D. will be painted |
This medicine should three times a day. |
[ ] |
A. be took B. be taken C. take D. be taking |
The moon by human beings already. |
[ ] |
A. was been visited B. will be visited C. had been visited D. has been visited |
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