题目内容

 I’m sorry I can’t join you.  I __________ my homework. 
A．haven’tfinishedB．didn’tfinish
C．won’tfinishD．don’tfinish
A

试题分析：考察时态。句意：对不起，我不能和你一起了。我还没有完成我的家庭作业。本题应该使用现在完成时，表示过去发生的事情对现在的影响。根据前半句可知我无法和你们一起是因为我没有完成我的家庭作业。故A正确。
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