A. 用所给单词的适当形式填空。
1. The book is not __ (you). It's his.
2. Mr. Green is tile __ (twins) father.
3. Mis. Read says, the Chinese people are very __ (friend).
4. How many __ (thing) can you see in the picture?
5. He likes __ (run) very much.
1. yours 2. twins' 3. friendly 4. things 5. running