31.I was wandering ____ the streets when I caught sight of a tailor's shop.

A. across               B. through             C.by                     D.past

30. We walked ____ the Tian An Men Square to the Museum of Chinese History.

A. across        B. through          C.by            D.past

29. The plane flew ____ the city. 

A. across     B.past       C. through     D.over

28.1 heard ____ the book long ago, but I have never read it.             A. out          B.from      C.of               D.with

27. Do you often hear____ your brother?    

A. of           B. from         C. out of      D. about

26. Finally they agreed ____ the terms of the contract.             

A.on   B.to    C.with    D.at

25. Do you agree____ this plan (arrangement)?  

A.at      B.with            C.on     D.to

24.I agree ____ what you said.                  

A.to          B.on        C.with         D.at

23. He wrote the article ____ three days.    

A.at           B.in               C.on          D.by

22. He will return____ three o'clock.          

A.after      B.in        C.on          D.at