Question

【题目】—— Can sixteen-year-olds drive cars to school?
—— No. They shouldn't ______ to drive because they are not serious enough.
A.allow
B.allowed
C.be allowed
D.have allowed

Answer 1

【答案】C
【解析】句意：——16岁的人能开车去学校吗？——不，他们不应该被允许开车因为他们不够稳重。they与allow构成被动关系，故用被动结构：should be+过去分词。因此C正确。