They do not allow ____ in this classroom.
They do not allow ____ in this classroom.
A、smoking
B、to smoke
C、smoked
D、being smoked
【正确答案】:A
【题目解析】:allow意为“允许;许可”,常用于“allow sb. to do sth.”结构,表示“允许某人做某事”。allow后面可接动名词作宾语,不可用动词不定式作宾语,即: allow doing sth.“允许做某事”。因此此处选A

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