题目内容
The flower is dead. I ___ it more water.
| A．will give | B．ought to give |
| C．could have given | D．ought to have given |
D
解析试题分析：句意：这个花死了，我本应该给它浇更多的水的。从The flower is dead.可知是浇水是过去的事情，排除AB，could have done本来可能做却没做，ought to have done本应该做却没有做。选D。
考点：考查情态动词表示虚拟语气
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| A．Were | B．Would | C．Should | D．Will |
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| A．If; to raise | B．Were; rise | C．Should; rise | D．If; raising |
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| A．while | B．but | C．otherwise | D．so |
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| A．to be discussed | B．to been discussed |
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