21．------ Have you seen the film The Silent War? It's said to be _____ great fun．
------No, I have been busy repairing all the broken office_____ these days．
A．a; equipment B．the; equipments
C．/; equipment D．/; equipments
22．------ I'm sorry to interrupt you, Sir．May I ask you a favor?
------ yes, _____．
A．take it easy B．go ahead
C．Don't mention it D．you will make it
