选词填空。
am   is   are
【小题1】Mom: ______ Sam doing his homework?
Amy: No, he isn’t.
【小题2】Mom: Are you tidying your room now?
Sam: Yes, I ______.
【小题3】Mom: Sam, what ______ you doing?
Sam: It’s a secret.
【小题4】Mom: ______ you drawing a picture, Amy?
Amy: No, I am not.

There _______ a book and two pens on the desk.  (   )

A．are

B．has

C．is

D．have

选出错误的选项并改正：The tigers is in the zoo. （________）_____________
A B C

Party members celebrate the day when it ____ founded. ( )

A．is

B．was

C．were

选词填空。
A. are    B. party C. chairs    D. mother’s E. birthday
A. are    B. party C. chairs    D. mother’s E. birthday
1. I’m ready for a birthday ________ .
2. Today is my _________ birthday.
3. There are 13 _______ in the classroom.
4. I buy a _________ cake for my mum.
5. Here you _______.