【题目】You _____ have come to the meeting. There were so many famous people and the argumentation among them was so excellent.
A. need B. could
C. ought to D. have to
在线课程【答案】C
【解析】
考查情态动词。句意：你应该来参加会议。有那么多名人，他们之间的争论是如此的精彩。A. need需要；B. could能够；C. ought to应该；D. have to不得不。故选C。