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单项选择题

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A. One month.
B. One month and a half.
C. Two months.
D. Two months and a half.

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单项选择题A. Lower prices. B. More choices.C. More competition. D. More companies.

A. Lower prices.
B. More choices.
C. More competition.
D. More companies.

单项选择题A. Because they are too small to understand the rules.B. Because they are absent-minded.C. Because they don’t have much time for it.D. Because they are not interested in it.

A. Because they are too small to understand the rules.
B. Because they are absent-minded.
C. Because they don’t have much time for it.
D. Because they are not interested in it.