用所给动词的适当形式填空。

1. It's twelve o'clock now. The students _____ (have) their lunch.

They _____(have) rice, meat and vegetables for their lunch.

2. Amy _____ (watch) TV every day. She _____ (watch) TV now.

3. Do you need much time _____(finish) _____(do) your homework?

4. I'd like _____(spend) half an hour _____(practise) _____(read) English.

5. Do you want _____ (I) _____ (ask)_____ (he)_____ (call) _____ (she) for

help.

6. Do you mind _____(open) the window? It’s too hot inside.

7. —Where's Kitty?

    —She _____(dance) over there.

8. She _____(lie) in bed at the moment.

9. The teacher _____(write) e-mails at the moment.

10. Hobo needs a lot of money _____(buy) some interesting books.

能正确表“当x的取值在[1，10]和[100，110]范围内为真，否则为假”的表达式是( )。

A) (x＞=1)&&(x＜=10)& &(x＞=100)&&(x＜=110)
B) (x＞=1)‖(x＜=10)‖(x＞=100)‖(x＜=110)
C) (x＞=1)&&(x＜=10)‖(x＞=100)&&(x＜=110)
D) (x＞=1)‖(x＜=10)&&(x＞=100)‖(x＜=110)