问题

What do you think of my answer to the questions — Sorry. I ________ about something else.

A:While
B: efore D. until;
C:is he
D:until;

正确答案是：

同类题型

The necklace the woman bought is , because it is made of glass.

Could I hang out with my friends-___. You have to prepare for your math test.

Not until he retired from teaching three yearsago _______having a holiday abroad

Knowledge is to one’s mind ______ food is to one’s body

I prefer to stay at home on weekends. —That is ______ I disagree. You should go out and breathe some fresh air.