题目内容：

1.The student are allowed to go home for holidays after they____their term papers.
A.should hand in B.are to hand in C.have handed in D.will hand in
2.Nobody ___the minibus without the permission of the driver in the wildlife park ,for it may be dangerous.
A.is getting off B.has got off C.is to get off D.will be getting off

优质解答

1、选C,使用现在完成时,现在完成时强调这一动作与现在的关系,如对现在产生的结果、影响等,此处对现在的影响就是可以回家了.
2、选C,C用的是be to do结构,这里表情态用语,表示“计划”,“打算”,“应该”,“义务”等.