问题

Every day, my mother tries to spare some time to chat with me _____she is very tired after a whole day’s hard work.— How great she is!

A:unless
B:whether
C:although
D:until;

正确答案是：

同类题型

______ the worker’s working efficiency, themanager will allow him to have a coffee break.

________ of the four dresses do you like ________— I like the green one. — ________.

This is the only book ____ I can find.

Excuse me , Sir . But smoking is notallowed here. —Sorry, I didn’t see the sign. I’ll___________________ my cigarette at once.

It is difficult to imagine his the decision without any consideration. [ ]