21.As a candidate, you must make a good ____ on everyone you meet if you want to win the election.
A.decision B.situation
C.impression D.position
22.--Do you want me to wait here in your office?
-I don' t____, if you want to.
A.suppose B.wonder C.notice D.mind
23.He claimed that the company had tricked him into doing what he would not have done____
A.otherwise B.however C.forever D.therefore
24.You____use the office phone for private calls during working time.It' s not permitted.
A.nee&' t B.mustn't C.may not D.won' t