题目内容
47.This ticket costs ________ dollars.
A. 10 B. 16 C. 20 D. 30
48. According to the notice, you can take ________ into the theater.
A. cameras B. mobile phones
C. bags D. videos
49. If you arrive late, ________.
A. you should hurry to your seat B. you should ask for help
C. you have to wait until the interval D. you have to change the date
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47. D 48. B 49. C
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