单项选择题

Come on, boys and girls! It's time to go ______ bed!

A．to
B．for
C．/
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单项选择题
— How do you come to Beijing from Guangzhou — ______.
A．In plane
B．On train
C．By air
单项选择题
Today is Friday, and the ______ is Sunday.
A．day after today
B．tomorrow after tomorrow
C．day after tomorrow
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