题目内容
【题目】Children are not allowed ________ in the river.
A. to swim B. swim C. swimming D. swam
【答案】A
【解析】句意：孩子们不被允许在河里游泳。be allowed to do sth被允许做某事，故为to swim，故选A。
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题目内容
【题目】Children are not allowed ________ in the river.
A. to swim B. swim C. swimming D. swam
【答案】A
【解析】句意：孩子们不被允许在河里游泳。be allowed to do sth被允许做某事，故为to swim，故选A。