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Question 13. You have never seen UFOs, _____?

       A. had you             B. have you              C. haven't you          D. has you

Question 14. when the sun doesn’t shine, we don’t have_________ energy

A. Wind                  B. water                    C. solar                                D. nuclear

Question 15. A large number of people_________ when homes, office blocks and highways collapsedby the earthquake last night

A. killing                     B. was killed               C. were killed              D. killed

Question 16.   I wish I_________ more about the logistics of the expedition.

A. knew                      B.  would know                      C. know                      D . can know

Question 17. “I’m sorry, we don’t have your size.” - “_____”

A. I’ll take it.            B. I hope so.             C. What a pity!                  D. I don’t like it.

Question 18. Do you _________in touch with your new roommate or do you two argue ?

A. Keep                       B.do             C. make              D. have