问题

It’s important ____ the piano well.

A:of him to play
B:for him to play
C:of him playing
D:for him playing;

正确答案是：

同类题型

When the man came in, gun in hand, we all stood there, ________．

_____ little children can only do______little work.

Sir, you are not allowed to enter the building without our manager’s ________.

下列各句中，没有语病的一项是：（）（3分）

Look, there is a lot of rubbish in the river.—Yes, it’s said that 80 per cent of fish in this river ________ live long.