I’m a student in Class Four, Grade Three. My name is Mary. I’m nine. My twin brother’s name is Li Mao. And we are in the same school, and in the same grade, but he is in Class Three. We are good students. I have a good friend. I call her Miss Ying Ying. Do you think Ying Ying is a good girl? No, you’re wrong. She isn’t a girl, but a cat. She is two years old, but she looks the same as her mother.

1.How old is Mary’s brother?

A Seven.

B Ten.

C Nine.

D Eight.

解析：选C。C细节理解题。根据I’m nine. My twin brother’s name is Li Mao.可知李茂是玛丽的双胞胎兄弟，故年龄一样大，故选C。

2.Li Mao is in ________.

A Class Four

B Class Three

C Grade Four

D Class Five

解析：选B。B细节理解题。根据but he is in Class Three可知他在三班，故选B。

3.Are they in the same school?

A Yes, they do.

B No, they aren’t.

C Yes, they are.

D No, they don’t.

解析：选C。C细节理解题。根据And we are in the same school可知他们在同一所学校，对一般疑问句的肯定回答用yes，后面跟肯定形式，故选C。

4.Miss Ying Ying is Mary’s ________.

A brother

B teacher

C cat

D classmate

解析：选C。C细节理解题。根据She isn’t a girl, but a cat.可知莹莹小姐是一只猫，故选C。