Question

【题目】This pair of glasses ______ be Tony 's. He's the only one who wears glasses.
A.must
B.might
C.can't

Answer 1

【答案】A
【解析】考查情态动词表推测。根据题干第二句句意“他是唯一戴眼镜的人”可知“这副眼镜肯定是托尼的”。must肯定，一定（表肯定推测）；might可能，也许；can't肯定不，一定不（表否定推测）。故选A。