A-A+

Mary saw her son_________the piano when she ca

2022-08-06 10:18:45 问答库 阅读 178 次

问题详情

Mary saw her son_________the piano when she came to the room.
A.playing
B.play
C.played
D.to Cay请帮忙给出正确答案和分析,谢谢!

参考答案

正确答案:A

考点: