Hehadimportantthingstodo.Otherwise, he

问题详情：

He had important things to do. Otherwise,  he ________ our party yesterday.

     A. would take part in                                         B. should take part in   

     C. must have taken part in                                  D. would have taken part in

【回答】

   D

知识点：虚拟语气与情态动词

题型：选择题