—Do you know where David is? I can’t find him anywhere.
—Well . He have gone far— his coat’s still here.
A. shouldn’t
B. mustn’t
C. can’t
D. wouldn’t
网友回答
A. shouldn’t
B. mustn’t
(答案→)C. can’t
D. wouldn’t
解析：情态动词用法辨析。Shouldn’t have done本不应该做某事实际上却做了；can’t have done不可能做了某事；wouldn’t have done不会做某事。句意：他不可能走远，因为他的外套还在这里。