---Idon‟tthinksixteen-year-olds

问题详情：

---I don‟t think sixteen-year-olds _______ to drive.

---I agree. They aren‟t serious enough at that age.

A. can allow             B. need be allowed

C. should allow        D. should be allowed

【回答】

D

知识点：动词语态

题型：选择题