1. 用适当的介词填空

1. （1） We can be thankful every day , not just Thanksgiving Day
   

3. （2） Linda is not good at Chinese , but she passed the exam the help of her classmates

5. （3） Hunan is the south of Hubei
   

7. （4） Don't drive so fast ! We must slow down when we drive the tunnel

9. （5） It's very nice of you to help me find the key the door