1 . —When do you go to bed__________ weekdays, Maria?
—I usually go to bed at ten o’clock. It’s good for me.

A．on

B．at

C．for

2 . 这家图书馆工作日下午6点关闭，但周末下午5点关闭。
This library closes at 6: 00 pm ___________ but at 5: 00 pm on weekends.

3 . 大部分人都是周一至周五去上班。
Most people go to work ________ ________.

4 . 我工作日很忙，可以在周日与你见面吗？
I’m busy ___________________. May I see you on Sunday?

5 . People usually work on _________ (工作日) and have a rest at weekends.

6 . His parents go to work on ________（工作日）.

7 . He’s always busy on weekdays.

A．on Sunday

B．from Monday to Friday

C．from Saturday to Tuesday

9 . 大卫在工作日太忙了。
David is too busy ________ ________.

10 . On ________ (在工作日), my mother goes to work by bus.