单项选择题

Why does the woman look pale（）

A. She is probably sick.
B. She feels a bit tired of her work.
C. She works too hard with her new students.

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单项选择题

A. About $15.
B. About $50.
C. About $55.

单项选择题

A. Rainy.
B. Cloudy.
C. Sunny.

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