----Theyhaven’tfinishedalltheworkuptonow.   ----They

问题详情：

----They haven’t finished all the work up to now.

    ----They ____________.

   A. should                                     B. ought to 

C. are supposed to               D. are supposed to have

【回答】

D

知识点：虚拟语气与情态动词

题型：选择题