单项选择题

A. They smile to cover embarrassment. B. It is an unusual and even suspicious behavior.
C. They smile to show politeness. D. It is an expression of pleasure.
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单项选择题
A. She doesn’t like the film. B. The film is hard to understand.C. She saw the film from beginning to end. D. She only saw the last part of the film.
A. She doesn’t like the film.
B. The film is hard to understand.
C. She saw the film from beginning to end.
D. She only saw the last part of the film.
单项选择题
A. She paid by check. B. She decided to make the purchase. C. She paid by credit card. D. She left without paying.
A. She paid by check. B. She decided to make the purchase.
C. She paid by credit card. D. She left without paying.
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