内容正文:
1. we should remember to turn off the lights when_____(leave)the classroom.
2. What do you think______(cause)the traffic accident.
3. What ____ you_____(dig) when the noise came out?
4. Cities will be more and more beautiful if more flowers _______(grow).
5. There _______(be) great changes to his place over the past 10 years.
6. Litter shouldn’t ________(drop) in public places.
7. We should do what we can______(keep) our city clean.
8. He was so tired that he _______(fall) asleep while he was watching the TV play.
9. Mum ______(cook)breakfast when I_______(wake) up this morning.
10. The plate_______(drop) from her hands when someone walked past her.
11. The hospital doesn’t allow______(smoke) because it’s harmful.
12. The doctor doesn’t allow him ________(smoke) .
13. .We all know twelve months _______(make) a year.
14. When I was young, my father told me that sound________(travel) through qir at a speed of about 340 meters per second.
15. ---______you_______(hand) in the report today