Question

【题目】—Listen! Is Professor Johnson giving a report in the hall?

—No, it be him. He has gone to Japan.

A. needn’t B. may not

C. mustn’t D. can’t

Answer 1

【答案】D

【解析】试题分析：can’t表示否定的推测。意为“不能；不可能”；结合关键信息“He has gone to Japan.”可知“他不可能是约翰教授”。故选D