21. Would you mind _______ a photo of you?

　　A. me take B. to take C. my taking D. me to take

　　22. The lady treats the boy well as if he ______ her own son.

　　A. is B. was C. were D. would be

　　23. _______ round the city, we were impressed by the city’s new look.

　　A. Taken B. Taking C. To be taken D. Being taken

　　24. He had a pain _______ his back.

　　A. on B. with C. in D. onto

　　25. The city _______ I was born is on the new railway line.

　　A. which B. that C. on which D. where

　　26. I had _______ that I would always remember it.

　　A. so a good experience B. such a good experience

　　C. so good an experience D. such good an experience

　　27. ______ give us help is welcome.

　　A. Who ever B. Whoever C. No matter who D. Those who

　　28. After running for nearly half an hour, I was ________.

　　A. out of place B. out of control C. out of breath D. out of practice

　　29. The mother told the little boy to do all the things _______.

　　A. on himself B. on his own C. to himself D. by own

　　30. You had better _______ a jacket, because it is cold outside.

　　A. take on B. to take on C. put on D. to put on

　　31. I