1. (2017九下·台州期中) A. 用方框中所给单词的适当形式填空, 每词仅用一次, 每空一词。

polite    health    sleep   oneself   twenty

1. （1） I fell while reading English. Luckily, my deskmate woke me up in time.

3. （2） It is of you to point at others with chopsticks when eating.

5. （3） March 3^rd is my sister's birthday.

7. （4） Doing more exercise can help us stay .

9. （5） Mrs. Black has lots of money. But she doesn't enjoy.