13. I _____________a letter from him since he left. ( get )

12. ---Ann has gone to Shanghai.　　 ---So ______her parents.　　 　　

A. has B. had C. did D. have

11. Kate's never seen Chinese films，_____________? (改为反意疑问句)

10. He _____________ ( teach ) English since he came here.

9. The Smiths _____________ China for three years.( be )

8. I_____________ (return) the book to the library already.

7. Mr. Green is an engineer. He 　___________ (work) in China for about two years.

6. He ___________ in U.S.A for 20 years. (live)

5. The little girl _______________ ( learn ) about 100 songs so far.

4. _____________ you ever _____________ ( be ) to Beijing?