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I haven"t finished my composition.I(B)for two hours and a ha

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I haven"t finished my composition.I(B)for two hours and a half.A.have written it B.have writting it C.wrote it
I haven
B选项打错了,应该是have been writting it,这个是太叫现在完成进行时,表示某个动作一直持续到现在并且还会持续下去,最符合题意(从原题I haven"t finished my composition可知,write这个动作还没结束)