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Alec asked the policeman who he _______ to call him whenever there was an accident.

A. referred           B. agreed with              C. worked with               D. turned

It took more than a month for the connection between the emigration of animals and earthquake ______.

A．to make            B．being made           C．making             D．to be made 

Now that we’ve got so far with it, we ______ as well finish the job now.

A. may                     B. must                      C. should            D. can

It will cost a city a lot to bid for the Olympics, _______ in turn it will promote its economic development.

A. or                          B. since                      C. for                        D. but

In our school, what impressed the students most was the Student Activity, ______they could get lots of information outside.

       A．that                               B．where                     C．which                     D．when

Choosing a college major can be a difficult task, but it is nothing to take________.

A. slightly                          B. lightly             C. seriously               D. hardly

He appears to be strong and healthy, but, _____ he suffers from a very weak heart.

A. in other words          B. on the other hand

C. as a matter of fact     D. for one thing

Quite a few boys in our school like playing football in their spare time, though _______prefer basketball.

A. others             B. no one            C. everyone       D. the others

-- How about buying Jim a mobile phone? After all, he isn’t a boy any more.

-- I think it necessary, for we sometimes want to make sure if he ______home for dinner. 

A. will come                        B. comes               C. has come                 D. would come     

Of all ______reasons for my decision to major in social work, my father’s advice was _______most important one.

A. the; a                            B.不填；a                  C.不填;the                  D. the; the