题目内容：

大学英语（四）单选题（21-30）
21. She suffered temporary loss of _______ after being struck on the head.
A. view
B. vision
C. eye
D. illusion
满分：2.5 分
22. It is essential that these application forms _______ back as early as possible.
A. must be sent
B. will be sent
C. are sent
D. sent
满分：2.5 分
23. I’m tired of working for others and I decided to launch my own business.
A. 我讨厌为他人工作,决定开始自己的生意.
B. 我厌倦了为他人工作,决定开创自己的事业.
C. 我厌倦了为他人工作,所以我决定开始自己的生意.
D. 我讨厌和他人一起工作,所以我决定自己创业.
满分：2.5 分
24. — _______ — Yes, I’ll be happy to cash it for you.
A. Do you need any cash?
B. Are you happy with the cash?
C. Are you happy to cash it for me?
D. May I cash a traveler’s check here?
满分：2.5 分
25. Neither the students nor the teacher _______ got the right answer.
A. have
B. has
C. is
D. are
满分：2.5 分
26. — Hello, I would like to open an account. — _______
A. Which account do you want to see?
B. Have you make up your mind?
C. What kind of account do you have in mind?
D. You’re welcome.
满分：2.5 分
27. His answer is not correct, and _______.
A. neither am I
B. either is mine
C. neither is mine
D. mine is neither
满分：2.5 分
28. John fell asleep _______ he was listening to the music.
A. after
B. before
C. while
D. as soon as
满分：2.5 分
29. Her reaction to the child’s bad behavior was unnecessarily _______.
A. abundant
B. fluency
C. rational
D. hash
满分：2.5 分
30. It _______ a retired worker that she was brought up after her mother’s death.
A. is
B. was
C. are
D. were
满分：2.5 分