John worked very hard so he ___pass the exam.Amay Bcan Ccan able to Dwas able to
问题描述：
John worked very hard so he ___pass the exam.Amay Bcan Ccan able to Dwas able to
答
D
这里是时态是一般过去时,所以选项中应该选择一般过去时态的,排除B.C
be able to是表示有能力做某事,
此句翻译为:约翰学习十分努力,所以他能通过这次考试.