问题

We often hear him ______ the piano in the afternoon.
A:plays
B:play
C:playing
D:to play;
B:play
C:playing
D:to play;
正确答案是:
同类题型
The child asked his mother________go out to play tennis.
When someone _____ you, it most probably means he is not interested in you.
It puzzles the scientists _____ some mammalsproduce their young _____ others lay eggs
He promised to deal with such problems, he did do exactly. His word is ____________ his action.
The clever boy made a hole in the wall, _______ he could see _____ was going on inside house.