21. —To tell you the truth, I wouldn’t be happy living in such a small room.
—But _____. I do prefer a small room.
A. I agree with you B. it’s OK with me
C. it just depends D. I’d rather not
22. What _____ public is concerned about is whether medical workers and scientists will be able to find _____ cure for this new disease in a short time.
A. a; a B. a; 不填
C. the; 不填 D. the; a
23. Having finished his act, the magician invited members of the audience _____ him on stage to try their hands at some simple magic.
A. to join B. joining
C. having joined D. to have joined
24. For the next two hours Tracy was _____ in the film, which turned out to be as good as she had hoped.
A. trapped B. absorbed
C. allowed D. fixed
