题目内容
【题目】________ for a long time, but he tried his best to catch up with his classmates.
A.Having been illB.Though he was ill
C.Being illD.He was ill
【答案】D
【解析】
试题分析:句意:他病了好长时间,但他尽力赶上同学们。句中有but,所以前后句意思是转折的,A、C不能构成句子;B项中Though和后面的but是不能同时用的,故选D.
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