The conference _a full week by the time itends.

A. will have lasted
B. last
C. had lasted
D. would last

If I_harder at school,I would be sitting in a confortable office now.

A. had worked
B. worked
C. were to work
D. were working

I_a court oflow if I hadn' tbeen so desperate.

A. would never have redorted
B. would
C. resorted
D. resorting

Had he worked harder,he_exams.

A. would have got through
B. through
C. throughing
D. get through

He stuffed the appers into the bag.

A. 对
B. 错

It is the effects of motor car _ has been respnsible for many changes in the enviroment.

A. that
B. what
C. this
D. why

The film had quite an effect_ him.

A. on
B. in
C. at
D. with

Insects are a nuisance to farmers,but the provide food for brids.

A. 对
B. 错

Through the effects of smog-which is a mixture of smoke fog.

A. 对
B. 错

英汉互译Zoo___________