1. 用方框中所给词或短语的适当形式填空，每词或短语限用一次。

good, tidy, just, worry about, start

1. （1） My sister always up her room on Saturdays.
3. （2） Li Peng works hard and he is at maths.
5. （3） Her book is new, like mine.
7. （4） There is no need to the score.
9. （5） This could be the of a beautiful friendship.