—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 |
—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 |