1. A）根据句意及所给首字母提示，补全句中所缺单词。

1. （1） Chinese people think red is a symbol of good l．

3. （2） Jack，your shoes are d．You need to wash them．
   

5. （3） I think it's very ifor us students to finish our homework on time．

7. （4） John is from the USA．He is an A．
   

9. （5） Grandma，rto take a walk after dinner．Don't forget．