【正文】
goes to bed late ____ night .But _____ weekends he sleeps until midday.A. on, at, at B. in, at, on C. in, in, at( ) 13. The mother is ing back ____ an hour.A. after B. for C. in ( ) 14. Don’t worry, Tom will return______.A. before long B. long before C. long ago( ) 15. Paper is often made ____ wood.A. by B. in C. of 二.介詞填空1. Tony is ________ Canada. 2. What is the name ________ the factory?3. Betty is English. What ________ you?4. Where do you e ________?5. Do the students stay ________ home ________ Saturday?6. The meeting ended ________ 6 .7. We’ll play football ________ class.8. —where are you from?9. —I am ________ Beijing.10. Let’s count the numbers ________ one ________ fifty.11. —Where shall we meet?12. —We’ll meet ________ home.13. He is good ________ swimming.14. Tom gets ________ at seven every morning.15. ________ Sunday morning, he played football with his friends.16. What’s wrong ________ you?17. It’s time