题目内容
Dr Brown has the habit of _____ the room when he is thinking about something troublesome.
A. pacing B. stepping C. walking D. marching
A
解析:
pace the room是个固定搭配。在屋子里来回镀步
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题目内容
Dr Brown has the habit of _____ the room when he is thinking about something troublesome.
A. pacing B. stepping C. walking D. marching
A
pace the room是个固定搭配。在屋子里来回镀步