II. 单项填空（共15 小题，每小题1 分，满分15 分）
21. Wouldn’t it be _______ wonderful world if all nations lived in ________ peace with one another?
A. a; / B. the; / C. a; the D. the; a
22. Every means ________ tried but without any result.
A has been B was C have been D were
23. I strongly recommend that the information ______ in my report ______ to Mr. Brown without delay.
A. to be referred to; to be e-mailed B. referred to; e-mail
C. referred to; be e-mailed D. being referred to; being e-mailed
24. There was a knock at the door. It was the second time I _______ that evening.
A. was interrupted B. had been interrupted
C. would be interrupted D. should be interrupted
