问题

The boy was so tired that he fell asleep _______ hismother could take off his clothes.

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

正确答案是：

同类题型

New comer as you are, if you spend a little more time on your work, I am sure you’ll ________ ahead in the end.

Don’t keep water running when you wash hands. — .

How did you find Nike’s singing last night.—To be honest, his singing didn’tto me

Nowadays more people are advised to arrange for insurance ______ they need medical care[ ]

下列词语中，加点字的读音全都正确的一组是（）