赞题库-背景图

单项选择题

Many cities have restricted smoking in public places.

A．limited
B．allowed
C．stopped
D．kept

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热门试题

单项选择题He s spent years cultivatingknowledge of art.

A．sharing
B．using
C．denying
D．developing

单项选择题In the process, the light energy convertsto heat energy.

A．changes
B．reduces
C．leaves
D．drops