| The machine ______ in a dry and cool place. |
A. must kept B. must keep C. must be kept D. must be keep |
科目:初中英語 來源:模擬題 題型:單選題
科目:初中英語 來源: 題型:014
The machine ________ in a dry and cool place.
[
]|
A .must kept |
B .must keep |
|
C .must be kept |
D .must be keep |
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