36. We left Xi' an _.___ a very hot summer afternoon.
A. on B.in C. during D.by
35. The teacher is busy ____ correcting papers.
A. for B.in C.on D.of
34. The teacher is busy ____ teaching.
A.with B.for C.on D.of
33. ____ the sun, nothing would grow.
A. For B.With C. Under D. Without
32. Our bus drove ____ the Great Hall of the People.
A. across B. through C. past D.over
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.
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