Question 11. Please turn _______ the light whenyou leave the room.
A. on B. off
C.up D. down
Question 12. The students didn`t know________ to do to deal with the problem.
A. where B. when
C. why D. what
Question 13. She turned_______ the new job in New York because she didn’t want to move.
A. on B. down
C. off D. up
Question 14. The city has recently set _____ a library in the West Suburb.
A. up B. off
C. out D. down
Question 15. Nam didn’t know________ to find more information about the course.
A. what B. why
C. where D. while