The police recommended parents __________their children under 12 to ride to scho

题干

The police recommended parents __________their children under 12 to ride to school for safety.

A．not allow	B．do not allow
C．mustn’t allow	D．couldn’t allow

上一题下一题 0.64难度单项选择更新时间:2014-09-28 04:59:17

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