1. 用所给单词的适当形式填空

old   easy   cook   go   meet

1. （1） He to the No. 1 Primary School.
3. （2） I'm going to my grandparents at the airport.
5. （3） It's to use than that one.
7. （4） My mother is for me now.
9. （5） I'm ten years than my sister.