21. When he arrived, he found ____ the aged and the sick at home.

　　A. nothing but

　　B. none bu

　　C. none other than

　　D. no other than

　　22. John seems a nice person. ____, I don't trust him.

　　A. Even though

　　B. Even so

　　C. Therefore

　　D. Though

　　23. Excuse me. If your call's not too urgent, do you mind ____ mine first

　　A. I make

　　B. if I make

　　C. me to make

　　D. that I make

　　24. We agreed to accept ____ they thought was the best tourist guide.

　　A. whatever

　　B. whomever

　　C. whichever

　　D. whoever

　　25. ____ she realized it was too late to go home.

　　A. No sooner it grew dark than

　　B. Hardly did it grow dark that

　　C. Scarcely had it grown dark than

　　D. It was not until dark that

　　26. They are going to have the serviceman ____ an electric fan in the office tomorrow.

　　A. install

　　B. to install

　　C. to be installed

　　D. installed

　　27.There is an increase of 16% in the consumption of tobacco_____ the previous year.

　　A. over B. than

　　C. to D. then

　　28.______ on time, I think, the medicine will work on him before long.

　　A. Taken B. Being taken

　　C. If taking D. Take

　　29._____ you want me to fire you, I suggest you stop wearing sports clothes at office.

　　A. As long as B. As far as

　　C. Since D. Unless

　　30.Nobody in the class except you and me _____ to the principal about the air qualityproblems.

　　A. has complained

　　B. have complained

　　C. complain

　　D. complaining

　　31.Why can't you smoke

　　At no time _______ in the meeting room.

　　A. does smoking permit

　　B. smoking be permitted

　　C. is smoking permitted

　　D. permits smoking

　　32.The sale usually takes place outside the house, with the audience ___on benches, chairsor boxes.

　　A. having seated

　　B. seating

　　C. having been seated

　　D. seated

　　33. These winners from that key school are wise and diligent, actually there are______students in that school

　　A. many such

　　B. such many

　　C. so many

　　D. so much

　　34.Jack got a good mark although he had done _____ the others.

　　A. half as much as

　　B. as much as half

　　C. as half as

　　D. as much half as

　　35.In the USA, both the federal and state governments have laws _____ to guard consumers against deceptive advertisements

　　A. to be designed

　　B. designed

　　C. to design

　　D. designing

　　36.It is _____honor for Mrs. Black to be invited to act as an hostess at the party.

　　A. an B. a C./ D. the

　　37.Don't forget the appointment with the principal at the registry office, _____you

　　A. don't B. do C. will D. shall

　　38.We have no interest in the actress's scandal (丑闻), _____has been the focus of thenewspaper's attention for months.

　　A. which B. what C. who D. that

　　39.Terry doesn't like the idea of his wife _____ in that affair.

　　A. being involved

　　B. involving

　　C. involved

　　D. to be involved

　　40._______ to be much chance of our catching him up in the near future.

　　A. You don't seem

　　B. There doesn't seem

　　C. That doesn't seem

　　D. It doesn't seem