单项选择题

A．The man is learning how to use a computer.
B．The woman is showing the man how to put page numbers on a document.
C．The man is printing a document.
D．The man is using his computer to do mathematical functions,
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单项选择题
A．The longest street in the world.B．A TV program.C．A country.D．The United States.
A．The longest street in the world.
B．A TV program.
C．A country.
D．The United States.
单项选择题
A．Relaxing at the seashore.B．Visiting her parents.C．Sailing on a boat.D．Preparing for a rac
A．Relaxing at the seashore.
B．Visiting her parents.
C．Sailing on a boat.
D．Preparing for a rac
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