38. Mr. Black home because his briefcase is still on the desk.
A. mustn’t have gone
B. can’t have gone
C. shouldn’t have gone
D. needn’t have gone
网友回答
A. mustn’t have gone
(答案→)B. can’t have gone
C. shouldn’t have gone
D. needn’t have gone
解析：可联系答.案.网客服索取。