---Where’s Mabel? ---She ping pong behind the teaching building.A. is playingB. was playi

发布时间：2020-08-16 08:10:08


---Where’s Mabel?
---She      ping pong behind the teaching building.
A. is playing
B. was playing
C. played
D. had played

网友回答

(答案→)A. is playing
B. was playing
C. played
D. had played
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