题目内容
19．A．Play baseball．B．Play basketball．
C．Play football．
分析 略
解答 M：Did you use to play basketball，Mary？
W：Yes，I did．
Q：What did Mary use to do？
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B．Play basketball．
C．Play football．
题目内容
19．A．Play baseball．分析 略
解答 M：Did you use to play basketball，Mary？
W：Yes，I did．
Q：What did Mary use to do？
点评 略