The prfessor prepares his lectures carefully before trying to carry （)in hisclass.
A. it out
B. out it
C. them out
D. out them
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Even though he has lived in China for many years, Mark still can not （)himself to the Chinese customs.
A. adopt
B. adjust
C. adapt
D. accept
The number of students who failed the chemistry examination （)to fifteen.
A. have increased
B. has increased
C. is increased
D. are increasing
I have finished typing all（) the last page.
A. until
B. but
C. to
D. for
The teacher told us an（)story the other day.
A. interesting
B. interested
C. being interested
D. having interested
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