题目内容
Peter is busy _ _ at school, but he never forgets _ __ exercise every day.
A. working; doing B. working; to do C. at work; doing
B
【解析】
试题分析:句意:彼得在学校忙于工作但他从来不会忘记每天锻炼。be busy doing sth,忙于做某事。forget to do sth,忘记做某事。故选B。
考点:考查固定用法
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