作业帮Ann ( ) done hosework A:doesn't B:doesn't have C:doesn't has D:hasn't
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Ann ( ) done hosework A:doesn't B:doesn't have C:doesn't has D:hasn't
Ann ( ) done hosework A:doesn't B:doesn't have C:doesn't has D:hasn't
Ann ( ) done hosework A:doesn't B:doesn't have C:doesn't has D:hasn't
D
have done的否定是haven't done
）
选A 表示没有孩子这个状态，是一个一般时。 haven
D 这个是现在完成时的用法。have/has done的结构 否定就否定在have/has上
正确答案只有D. hasn't .因为这句话的意思是：安目前为止还没有完成家务活