Look! Tom is too sleepy to work. He up watching TV.
A. mustn’t have stayed
B. shouldn’t have stayed
C. mustn’t stay
D. ought not to stay.
网友回答
A. mustn’t have stayed
(答案→)B. shouldn’t have stayed
C. mustn’t stay
D. ought not to stay.
解析：可联系答.案.网客服索取。