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 can’t spend ______money on the car which is _____ expensive for me．
A．too much，much too B．far too, too much
C．much too, too much D．too many，much too
