should have done
must have been done
should have been done
might have done
第1题：
A. on
B. for
C. to
D. by
第2题：
A would
B should
C must
D could
第3题：
你们怎样选拔参加保卫工作的人员?
A.How long will you select those employees for the security work?
B.Why do you select those employees for the security work?
C.How will you select those employees for the security work?
D.How do you select security guards for the World Expo?
第4题：
A、It was a long time.
B、Two weeks ago.
C、No. Only a couple of days.
D、Not long time ago.
第5题：
Student: How long can I have these books?
Librarian: This one is on the three-hour-loan; you may have it for only three hours ______.
A: The others are due in 30 days, on February 3.
B: You may have it longer if you like.
C: Drop the books into the RETURN boxes by the library entrance.
D: The fine for overdue books is 5 dollars an hour.
第6题：
A、was happened
B、took place
C、was occurred
第7题：
____ three days to go before the final exams, shouldn’t you work harder?
A: In
B: On
C: By
D: With
第8题：
A.for
B.after
C.in
D.until
第9题：
________ three days to go before the exams, shouldn’t you work harder?
A、In
B、Within
C、By
D、With
第10题：
Please state how you have benefited from your work experience。