—Can sixteen-year-olds drive their 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

远东历史上第一座最古老的的灯塔是（）。

A.澳门松山灯塔

B.大连老铁山灯塔

C.嵊泗花鸟山灯塔

D.温州江心屿灯塔