We ___the floor and ___the windows.A will mop;cleanedB moped;have cleanedC mopped;cleanedD have mopped;cleaned说下原因.如果要表示我们已经做完卫生了,and前后都要有have吗
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We ___the floor and ___the windows.
A will mop;cleaned
B moped;have cleaned
C mopped;cleaned
D have mopped;cleaned
说下原因.
如果要表示我们已经做完卫生了,and前后都要有have吗
我觉得c跟d都可以的.
因为两个都是动词形态一致的.
题目不好.加个时间状语就好了.
这个排除法好了
and 前后要一直语态
C
C 中间用and连接前后时态要统一。只有c用的都是过去时
D前后时态要一致
表示我们已经做了这两件事情,用一般完成时
选C。We mopped the floor and cleaned the windows.
and前后动词要一致
D 前后时态必须保持一致!
扫地跟擦玻璃是过去已经完成的事情,所以要用现在完成时态。
问题补充:如果要表示我们已经做完卫生了,and前后都要有have吗?
如果单说做完了卫生,直接用一般过去时态即可;如果要表达“已经做完了卫生”,就要用Have,而HAVE只要前面用一个就可以了,没必要前后都有!...
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D 前后时态必须保持一致!
扫地跟擦玻璃是过去已经完成的事情,所以要用现在完成时态。
问题补充:如果要表示我们已经做完卫生了,and前后都要有have吗?
如果单说做完了卫生,直接用一般过去时态即可;如果要表达“已经做完了卫生”,就要用Have,而HAVE只要前面用一个就可以了,没必要前后都有!
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D
C
C,由于是用and来连接,表明这两个动作是并列的,所以时态应该保持一致。选项中,只有C是前后时态一致的,所以选C。
d
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