Question

【题目】—Look! Why are there so many people?

—There are some policemen. I think there ________ a traffic accident.

A. must have B. can have

C.is going to be D. must be

Answer 1

【答案】D

【解析】

试题分析：句意：——看！为什么有这么多人？——有一些警察，我想一定出了交通事故。根据句子结构可判断，此句是there be句型。排除A,B；C答案是一般将来时态；根据情况判断，事情已经发生，表示一种肯定的推测。答案为D。