Iwasn’t able to finish my homework because I was ill.A. can’t B. couldn’t C. shouldn’t 题目和参考答案——青夏教育精英家教网—

题目内容

Ｉwasn’t able to finish my homework because I was ill.
A. can’t B. couldn’t C. shouldn’t

解析试题分析：句意：我不能完成我的作业因为我生病了。wasn’t able to不能，不能够；can’t不能；couldn’t不能；shouldn’t不应该。根据题意，句中使用一般过去时，故选B。
考点：考查情态动词。

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