34. She won’t be able to come next week, because she_________herself in Mount Tai then.

30.Mr. Li arrived at the Wuguang train station twenty minutes ago, but the train to Guangzhou________yet.

26．— Why are you still here? Everybody has gone to attend the lecture by the president.
— Oh, I__________about it!

35. She couldn’t have answered the question if she ________ a few books on world history.                                                        

28．The moment she heard Mr. Baker’s angry voice on the phone, she ____what she would have to face.

24．He rose to speak, _________ to with great attention.

22．How close parents are to their children ___________a great effect on the characters of the children.

17. Our attention was drawn to the eight-year-old girl who was _______ perfectly at the piano.

15. Great changes ______ in the city, and a lot of new buildings ______.

45. With the rapid growth of population, the city______ in all directions in the past five years.