I think I must keep ________ the piano at home.A．on playB．to playC．on playingD．p_刷题宝

题干

I think I must keep ________ the piano at home.

A．on play

B．to play

C．on playing

D．played

上一题下一题 0.65难度单选题更新时间:2019-04-22 03:45:41

答案(点此获取答案解析）

小学学科试题库

初中学科试题库

高中学科试题库