单项选择题

A．polite
B．impolite
C．formal
D．informal
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单项选择题
A．oneB．twoC．noneD．both
A．one
B．two
C．none
D．both
单项选择题
What does the man do for exercise
[A] He plays basketball every weekend.
B. He plays football every day.
C. He does morning exercises every day.
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