题目内容
【题目】While we _______ football in the classroom, the teacher came in.
A.were play
B.were playing
C.are playing
D.played
【答案】B
【解析】考查时态。while引导的时间状语从句的时态多是进行时态，再根据主句的时态为一般过去时，可确定该题的时态为过去进行时。故选B。
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题目内容
【题目】While we _______ football in the classroom, the teacher came in.
A.were play
B.were playing
C.are playing
D.played
【答案】B
【解析】考查时态。while引导的时间状语从句的时态多是进行时态，再根据主句的时态为一般过去时，可确定该题的时态为过去进行时。故选B。