题目内容
Even a drop of water ______because it is so important to all the living things.| A.must waste | B.must be wasted |
| C.mustn't waste | D.mustn't be wasted |
D解析:
略
略
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Even a drop of water ______because it is so important to all the living things.
| A.must waste | B.must be wasted |
| C.mustn’t waste | D.mustn’t be wasted |
Even a drop of water ______because it is so important to all the living things.
|
A.must waste |
B.must be wasted |
|
C.mustn't waste |
D.mustn't be wasted |