21. The thief, who was put in ______ prison. had____ feeling of guilt(内疚), so he made ________ great progress.
A. the, a, X B. X, the, a C. the, X, a D. X , a, X
22.---What can I help you, sir?
--- I’d like to have this watch_______.
A. repaired B. repair C. repairing D. to be repaired
23. I don’t like the way ______you speak to him.
Which the following answer is wrong?
A. what B. in which C. that D. /