I haven"t finished my composition.I(D )for two hours and a half.A.have written it B.have writting it C.wrote it D.am writting it

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I haven

I haven"t finished my composition.I(D )for two hours and a half.A.have written it B.have writting it C.wrote it D.am writting it
I haven"t finished my composition.I(D )for two hours and a half.A.have written it B.have writting it C.wrote it
D.am writting it

I haven"t finished my composition.I(D )for two hours and a half.A.have written it B.have writting it C.wrote it D.am writting it
原理:现在分词表示动作持续发生
前面说“我还没有完成作文." 动作没有完成,
所以不能用过去分词 written.或者过去式故ABC不选
选D

“我还没有完成作品,我写了两个半小时了”说话时,动作仍旧在进行中,故用一般进行时。

这道题的迷惑选项是A, B\C一下就可以排除掉,因为他们不与for+一段时间连用。而不能选A的原因是在于现在完成时是描述一个动作已经完成或结束。根据原题( haven"t finished my composition)可知,write这个动作还没有结束,所以不能选择A而要选择D,在这里,D选项是现在进行时,它表示动作持续一段时间并且还会持续下去,与现在完成进行时用法相同。...

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这道题的迷惑选项是A, B\C一下就可以排除掉,因为他们不与for+一段时间连用。而不能选A的原因是在于现在完成时是描述一个动作已经完成或结束。根据原题( haven"t finished my composition)可知,write这个动作还没有结束,所以不能选择A而要选择D,在这里,D选项是现在进行时,它表示动作持续一段时间并且还会持续下去,与现在完成进行时用法相同。

收起

我写了两个半小时了,还是没有完成。
因为没有完成,所以不能用完成时态

因为要节后上下两句句子呀 已经说了没有完成 那么A现在完成时肯定不对了咯 C也不对呀 结合意思 那应该没做完 正在做

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