The word "They" in the fourth paragraph refers to________.




A.employers
B.workers
C.employees
D.tasks

______ (52)




A.what
B.that
C.whether
D.do

Choose the phrase that best completes the sentence.
Nervous about flying in planes,____________.




A.thirty years ago people knew nothing of space travel
B.people knew nothing of space travel thirty years ago
C.space travel was unknown by people thirty years ago
D.because people knew nothing of space travel thirty years ago.

Choose the phrase that best completes the sentence.
“Why don’t you participate in the volunteer work in summer?" said Sophie.




A.Sophie suggested me to participate in the volunteer work in summer.
B.Sophie asked me why not participate in the volunteer work in summer.
C.Sophie suggested my participating in the volunteer work in summer.
D.Sophie made me participate in the volunteer work in summer.

It's rather unusual.................Martin at home..............on a Sunday, don't you think?




A.seeing-to be studying
B.having seen-study
C.to be seeing-studied
D.to see-studying

Anna is holding her shopping bag with one hand and turning the door handle with ______.




A.others
B.another
C.the other
D.other

______ make a good impression on her.




A.Only by doing so can I
B.Only by so doing I can
C.Only by doing so I can
D.Only so doing can I

I can’t find my dictionary at the moment. I hope it will ______ up soon.




A.turn
B.clear
C.come
D.look

Although we have a large number of students, each one receives ______ attention.




A.alone
B.separate
C.individual
D.only

She started the course two months ago but dropped ______ after only a month.




A.in
B.out
C.off
D.back