问题
选择题
I think teenagers ____________ to choose their own clothes.
A．be allowing
B．should be allowed
C．be allowed
D．should allowed
答案
答案：B
题目分析：句意：我认为青少年应该允许选择自己的衣服。Teenagers青少年，与动词allow是被动关系，所以用被动语态，be+过去分词，前面有情态动词should，be用原形，故选B。