1. (2017七下·灌阳期中) 根据句意及首字母提示写出单词在句子中的正确形式。

1. （1） Look at the pens. The blue one is y and the yellow one is his.
3. （2） There are a lot of things in the lost and f box.
   
5. （3） May I t that blue coat on? I like it very much.
7. （4） Don't worry a English. I can teach you English.
9. （5） — What's your favourite d?

   — Cola.