15. Tom spent two hours in mending the bike.

　It _____ two hours______ the bike.

14. I like Backstreet Boys. But he likes F4 better.

　He ______ F4 ______ Backstreet Boys.

13. At the end of the meeting his bag was lost.

　He______ his bag when the meeting ______.

12.The doctor put down the telephone, left his home at once and hurried to Jim's home.

　After the doctor ______ the phone call, he left his home at once and went to Jim's home as _____.

11. All the books cost me 365 yuan.

　I ______ 365 yuan ______ all the books.

10. It's good for your health to take exercise often.

　____ exercise often can make you ______.

9. Her father bought the car three months ago.

　Her father ______the car for three months.

8. Hot dogs are not so delicious as sandwiches.

　Hot dogs are______ delicious ___sandwiches.

7.This is the most enjoyable journey that I have ever heard of.

　I have ______heard of______ an enjoyable journey before.

6.If you play basketball here, you may break the windows.

　_____play basketball here, ______you may break the windows.