问题
选择题
－Can you go to school in other clothes?
－No. We _______ to go into the school unless we are in school uniforms.
A．allow
B．are allowed
C．are not allowed
D．allowed
答案
答案：C
本题回答语的含义是如果我们不穿校服上学，我们不允许到学校去。根据句意可知本题使用的是被动句的否定结构，结构为be not+过去分词，故本题选C。