问题
选择题
Teachers recommend parents________ their children under 12 to ride bicycles to school for safety.
A.not allow
B.do not allow
C.mustn’t allow
D.couldn’t allow
答案
答案:A
本题考查虚拟语气。recommend作“建议”讲,从句用should+动词原形的虚拟语气,should可省略。故选A.