【题目】—What Su Hai and Su Yang doing? ( )
—They’re the piano.
A.are; play B.do; playing C.are; playing
【答案】C
【解析】
略
【题目】—What Su Hai and Su Yang doing? ( )
—They’re the piano.
A.are; play B.do; playing C.are; playing
【答案】C
【解析】
略
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