(   ) 2. Mike and I      good friends.

   A. am   B. is   C. are   D. be

(   ) 1. His name is Yang Liwei. His last name is      

   A. Yang   B. Liwei

   C. Wei   D. Yang Liwei

4. These beds are white. (改为单数句)

                   white.

3. Sam and Tony are in Class 3. (改为一般疑问句并作否定回答)

―      Sam and Tony      Class 3?

-No,        .

2. I'm in Class 3,Grade 7. (改为一般疑问句并作肯定回答) 

      you       Class 3,Grade 7? 

—Yes,          .

1. I am Wang Lingling. (改为否定句)

2. I             Wang Lingling.

5. They       from Beijing.

4. I       13 years old.

3. His first name       David.

2. The boy on my left       Daming.