句型转换。

1. Lily is thirteen years old. (就划线部分提问)

    _______ _______ is Lily?

2. Jim's birthday is September 11th. (就划线部分提问) 

    _______ _______ Jim's birthday?

3. What's your age? (同义句转化)

    _______ _______ are you?

4. Are your parents forty years old?(否定回答)

    No, _______ _______.

5. We have an Art Festival each year. (改为一般疑问句)  

    _______ _______ _______ an Art Festival each year?  

食管粘膜一般有几条粘膜皱襞（）

A.2～4条

B.3～4条

C.3～5条

D.2～5条

E.4～5条