单项选择题

He kept in constant contact with his family while he was in Australia

A．gradual
B．regular
C．direst
D．occasional
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单项选择题
A large crowd assembled outside the American embassy
A．gathered
B．watched
C．shouted
D．walked
单项选择题
The story was published with the sole purpose of selling newspapers
A．real
B．main
C．only
D．practical
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