问题

You look really tired. —I didn’t sleep well last night. I had a headache.
A:at that time
B:in time
C:at the time of
D:when;
B:in time
C:at the time of
D:when;
正确答案是:
同类题型
No one can make us _____ quiet because we are very excited.
Hardly could he ______ this amount of work in such a short time.
You may find out more information about Australian natives through the Internet _______.
The chairman declared that ________ player scores the highest number of points would be the winner.