The headmaster _______ be in the office because the light is off. [ ]A. can't B. might C. could

题目简介

The headmaster _______ be in the office because the light is off. [ ]A. can't B. might C. could

题目详情

The headmaster _______ be in the office because the light is off.
[     ]
A. can't
B. might
C. could
D. must
题型:单选题难度:中档来源:专项题

答案

A

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