单项选择题

Hardly a week goes by without some advance in technology that would have seemed incredible. 50 years ago.

A．hard to invent
B．hard to understand
C．hard to imagine
D．hard to believe
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单项选择题
Beijing Television-Station Transmitting Tower really looks magnificent at night when it's illuminated.
A．decorated
B．illustrated
C．lit up
D．studied carefully
单项选择题
Arriving anywhere with these possessions, he might just as easily put up for a month or a year for a single day.
A．arrange
B．manage
C．last
D．stay
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