单项选择题

A. Professor and student.
B. Customer and sales assistant.
C. Guest and receptionist.
D. Boss and secretary.

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单项选择题
A. Husband and wife. B. Colleagues.C. Brother and sister. D. Boss and sister.
A. Husband and wife.
B. Colleagues.
C. Brother and sister.
D. Boss and sister.
单项选择题
A. They are preparing food for the dinner party.B. They are ordering food in a restaurant.C. They are seeing the doctor about the man’s weight problem.D. They are learning to make chocolate cakes.
A. They are preparing food for the dinner party.
B. They are ordering food in a restaurant.
C. They are seeing the doctor about the man’s weight problem.
D. They are learning to make chocolate cakes.
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