【题目】- What did they ________ ? ( )
– They ________ the pipa.
A.play: play B.played; playing C.play; played
【答案】C
【解析】
略
【题目】- What did they ________ ? ( )
– They ________ the pipa.
A.play: play B.played; playing C.play; played
【答案】C
【解析】
略
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