第二部分 英语知识运用（共两节，满分55分）
第一节 单项填空（共25小题；每小题1分，满分25分）
21. ---Can you see the man_____?
--- Yes, I can．He is my neighbor Mr．Smith, who is difficult to get along with because he always keeps everyone ______.
A. in the distance；from a distance B. at the distance；at a distance
C. in the distance；at a distance D. at a distance；in the distance
22. Teaching is not just a simple piece of work；it’s an art _____ a science．
A. is based on B. basing on C. based on D. depended on
23. No sooner ______ he left the village _____ it began to rain.
A. did; than B. had; when C. did; when D. had; than
