—Idon’tthinksixteen-year-olds             todrive.  —Ia...

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