题目内容
【题目】Yang Liwei spent about twenty-one hours in space, ________ he did a lot of work there. ( )
A. andB. orC. but
【答案】A
【解析】
略
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【题目】Yang Liwei spent about twenty-one hours in space, ________ he did a lot of work there. ( )
A. andB. orC. but
【答案】A
【解析】
略
阅读快车系列答案