问题

She had just finished herhomework________her mother asked her to practise playing the piano yesterday.

A:when
B:while
C:after
D:since

正确答案是：

同类题型

Keep an eye on my purse – I’m just going to the bathroom.

_______, he doesn’t study well.

1 didn’t mean ____ anything, but those apples looked so good I couldn t resist ____ one.

I don’t like shopping— Me______ It makes me tired

I wbought whatI needed.