1 . 熬夜是一个坏习惯。（stay）
________ is a bad habit.

2 . 我哥哥昨晚熬夜学习，导致他今天早上睡过头了。
My brother ________ studying last night so that he overslept this morning.

3 . 为了身体健康，你应该改掉熬夜的习惯。
To keep healthy, you should give up the habit of   ________ ________ late.

4 . 我的父母不允许我熬夜。（be allowed to do）
___________________________________________________________________________________.

5 . 我已经习惯于晚上熬夜了。(stay)
I_____________________________.

6 . 熬夜太晚对我们的健康有害。
________________________________________________________________________

7 . Linda, _________ up late, or you will feel sleepy the next day.

A．not stay

B．don't stay

C．stay

D．staying

8 . 熬夜是一个坏习惯。
__________________ is a bad habit.

9 . —Why does he look so tired today?
—It is because he _______ late last night to prepare for the speech competition tonight.

A．set up

B．put up

C．got up

D．stayed up

10 . —Don’t ________ late, Betty. You have to go to school early tomorrow.
—OK, Mom. I’ll go to bed right now.

A．put up

B．stay up

C．sit down

D．fall down