1. -How often _________he __________?

　　--He __________twice a week.          (exercise)

　　2. Maria ______________(hard) ever eats junk food. She __________(have) a __________(health) lifestyle.

　　3. My mother goes to the shop _______________(one ) a week. She plays sports ___________(two) a day. She goes to the movies three ___________(time) a month.

　　4. Tim likes doing some ________________(surf). He is a very good ______________(surf).

　　5. __________(do) more exercise can help keep in good ___________(health). It _________(mean) it can help you stay ___________(health).

　　6. There are a few ___________________(different) between ________________(they).

　　7. They are ______________(difference) from each other.

　　8. The girl has a lot of coffee every day. She has an ___________________(health) lifestyle.

　　9. They ___________(keep) ___________(work) the whole day yesterday.

　　10. You must-___________(look) after ________________(you) ,boys.

　　11. Can you do _____________(good) work with_____________(little) money?

　　12. Here ___________(be ) the results of the_____________(students) activity survey.

　　13. My good lifestyle ___________(help) __________(I)___________(get) better grades.

　　14. Good food and exercise __________(help )me to study better.

　　15. How ___________(more) hours do you ___________(usual) sleep every night?