Question

【题目】The man running in our playground _______ be our headmaster, because he has gone to America on business.

A. mustn't B. shouldn't C. can't D. may not

Answer 1

【答案】C

【解析】

句意“正在操场上跑的那个男人一定不是我们的校长，因为他已经去美国出差了”。A.禁止；B.不应该；C.不是；D.可能不。根据because he has gone to America on business可知，他去了美国还未回来，所以他一定不是我们的校长，故选C。