Question

【题目】In many western countries, teenagers ________ to move out at eighteen.

A. allowed B. are allowed C. is allowed D. allowing

Answer 1

【答案】B

【解析】句意：在许多西方国家，允许青少年在十八岁时搬出去。此句缺少谓语动词，allowing为非谓语动词，首先排除D；主语teenagers与动词allow之间是被动的关系，构成被动语态，排除A答案；主语为名词复数形式，故答案为B。