Every means _________, but none proved __________.

A. have tried; a success                                B. have been tried; successful

C. has tried; to be successful                        D. has been tried; successful

 I’d like to do something for you_____ everything you have done for me.

A. in exchange     B. in turn            C. in return for               D. in terms of

 As is known to all, the newly learnt words will soon be forgotten unless_____ used in

everyday communication.

A. gradually     B. accurately    C. familiarly                    D. frequently

       —Would you mind picking up a jar of honey at the store?

       —Of course not. ______  

       A. Go on               B. How come?              C. Not to worry          D. No problem

 In order to build the dam ,they moved the local people and ______them in another place .

A. recovered           B. ignored     C. concerned                      D. settled

 Cheating is strictly forbidden in this important exam, and students ______ bring any reference books into their classrooms.

     A. won’t                      B. shouldn’t      C. mustn’t           D. needn’t

 Temperatures ______ quite dramatically at night in mountains, so put on some warm clothes before going out.

     A. are dropped      B. drop        C. are being dropped     D. have dropped

 The moment ______ John will never forget is ______ Mr. Smith gave him a lot of valuable advice on how to improve his writing.

     A. that; that                B. that; when     C. when; that                D. when; when

 Everyone wants to live in a beautiful, comfortable and “livable” place, but not ______ know where it is.

A. all                B. some                      C. either                      D. both

 — It’s been such a long day! I feel as if I’m going to stop breathing.

— Oh, come on! It’ll be only about seven months ______ you take the College Entrance Examinations.

A. until             B. after                         C. when                D. before