问题
Lucy had few close friends. So she didn’t know ________ about the trouble.
A:where
B:what
C:how
D:while;
B:what
C:how
D:while;
正确答案是：
同类题型
Could you please ______ the door It’s cold outside.
A smile costs ______, but gives so much.
Is there on TV tonight— No, there isn’t.
Experts think that ____ recently discovered paintingmay be ____ Picasso
The elderly need special care in winter, as they are _____ to the sudden changes of weather. [ ]