( )11. Where might the speakers be?
( )12. What will the speakers do next time?
B
( )12. What will the speakers do next time?
A
答案
11.B 12.A
( )13.
( )14.
( )15.
A
( )14.
C
( )15.
B
答案
(13)A;(14)C;(15)B
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