题目内容
1.I'm very sorry I amunable to play tennis with you after school.分析 很抱歉我放学后不能和你一起打网球.
解答 答案:unable
由方框中的词与I'm sorry可推测可用be unable to do sth(不能做某事)来放在此句中,unable是able的反意词,句意为很抱歉我放学后不能与你一起打网球,填unable即可.
点评 此题首先要根据所给词与句意选择正确的单词,并注意词形的变化.
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