1. 选词填空。

and，but，or

1. （1） Bill is only 4 years old．he can look after himself well．

3. （2） —I don't know what to do this weekend．

   —You can watch a movie,you can visit the museum．

5. （3） Susan likes singing，she likes dancing too．

7. （4） —Must I go to the supermarket with you this evening, Mum?

   —No．You can stay at home, you can go to the cinema．

9. （5） It's raining outside，many people are still working in the fields．