Teachers recommend parents ________ their children under 12 to ride bicycles to

题干

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

上一题下一题 0.4难度单项选择更新时间:2019-07-15 05:44:10

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