单项选择题

China is one 0f the ______ countries．

A．develop
B．developed
C．developing
D．development
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单项选择题
I enjoy playing basketball and then ______.
A．taking a bath
B．to take a bath
C．take a bath
D．took a bath
单项选择题
I telephoned the station to make ______ the time of the train．
A．sure
B．real
C．true
D．right
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