题目内容：

1选择可替换划线部分的选项。

1.When is your birthday?

A. age                 B. date of birth       C. day

2.How old is he?

A. How is he           B. How old is she      C. What's his age

3.What time does she play basketball?

A. Where               B. When                C. What

4.I often have lunch at 12:00.

A. eat                 B. eats                C. has

5.She is 9 years old.

A. She is 8 years old  B. Her age is 9        C. I am 9 years old