Youmuststand________linewhenyouar

发布时间:2020-07-09 20:58:04

You must stand ________ line when you are waiting ________ a bus.













A.on; in












B.in; for











C.in; on











D.on; for

网友回答

B解析解题指导:前半句考查短语stand in line.wait是不及物动词,表示“等车”或“等人”时必须用wait for.
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