单项选择题

A．Changing a flight reservation.
B．Canceling a hotel reservation.
C． Reserving an extra hotel room.
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单项选择题
A． To go to the market. B．To have coffee. C． To have a discussion.
A． To go to the market.
B．To have coffee.
C． To have a discussion.
单项选择题
A．She’s been on vacation. B． She’s been at the grocery store.C．She’s been on a business trip.
A．She’s been on vacation.
B． She’s been at the grocery store.
C．She’s been on a business trip.
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