1. 单词拼写(单句首字母填空)。

1. （1） Students n to study hard.

3. （2） Our parents provide us with food and c and never ask for anything in return.

5. （3） It's cold now. Please put on(穿上) your s, children.

7. （4） My class has t students, ten girls and twenty boys.

9. （5） There are t months(月) in a year.