—Mr. Wang __________ be in the office. The light is still on.
—No, he __________ be. Because he phoned me from the farm just now.
A.may; mustn’t
B.mustn’t; mustn’t
C.can’t; can’t
D.must; can’t
答案:D
考查情态动词表推测。must表推测用于肯定句当中,can表推测用于疑问或否定句中。所以答案选D。
—Mr. Wang __________ be in the office. The light is still on.
—No, he __________ be. Because he phoned me from the farm just now.
A.may; mustn’t
B.mustn’t; mustn’t
C.can’t; can’t
D.must; can’t
答案:D
考查情态动词表推测。must表推测用于肯定句当中,can表推测用于疑问或否定句中。所以答案选D。