(      )15. ―______ ？ —Twice.

A.  How do you like junk food

B.   How many times do you eat junk food in a week

C.  What time do you eat junk food

D.  Where do you buy junk food

A. everyday ； every day         B. every day; everyday

C. every day ； every day        D. everyday ； everyday

(     )13. ―How many hours do you watch TV every day?

―___________ one hour.

A. At first    B. At last   C. At least   D. At once

(     )12. ―Where is Nancy? I can't find her.

--Oh,___________   she is in the library. But I'm not sure.

A. maybe        B. may be       C. luckily       D. away

(      )11. ―Does your father do housework?

―__________ . He is always busy with work.

A. Yes，he is     B. No,he isn't

C. Yes,he does    D. No,he doesn't

10.  It's 10 o'clock. It's time to___________  _____________  __________ (上床睡觉）.

9.   Mr. Black__________  ___________ (几乎从不)plays computer games.

8.   Tom,you need to sleep ____________  __________ (至少)eight hours every day.

7.   It's bad for you to___________  ___________ ___________ (熬夜到很晚）.

6.   She goes to the movies_____________ __________  _________ (一个月一次).