1. 选词填空

social, important, easy, tour, fisherman

1. （1） Look at these fishing nets. They are those .
3. （2） I want to join the Birdwatching to study the birds in our hometown.
5. （3） A number of foreign are visiting our school now.
7. （4） With the help of the volunteers, we count the birds .
9. （5） We should try to make more people know the of the wetlands.