单项选择题

Motorists_______to switch off their phones while driving nowadays.

A．require
B．are required
C．have required
D．will be required
<上一题 目录 下一题>
热门 试题

单项选择题
Teachers recommend parents______their children under 12 to ride bicycles to school for safety.
A．not allow
B．do not allow
C．mustn’t allow
D．couldn’t allow
单项选择题
Scientists study______human brains work to make computers.
A．when
B．how
C．that
D．whether
相关试题