单项选择题

Johnson had a toothache,______

A．didn't he
B．hadn't he
C．did he
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单项选择题
The urban population of Beijing ______during the last five years.
A．have greatly increased
B．has great increased
C．has greatly increased
单项选择题
As a movie star, he likes ______ noticed.
A．be
B．/
C．being
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