1. 选择合适的连词填空。

when    because  but  before till  and  after  or then so1d

1. （1） Hurry up, please! you'll be late for school．
3. （2） Yesterday Jim didn't go to see the filmhe must go home．
5. （3） The students are talking about the sports meetthe teachers come in．
7. （4） Tom was ill yesterday,  he still went to school．
9. （5） First turn fight,  you can find the bus stop.
11. （6）  the boy finished his homework, he went to bed．
13. （7） I usually do homework on Saturdaysplay on Sundays．
15. （8）  he goes to work, he often goes for a walk every day．
17. （9） We are going to middle school soon,  we will have a farewell party．
19. （10） She watched TVher mother came back．