---Who can it be that hasn’t handed in his position?
---It be Robinson. He it in yesterday.
A. will; should hand
B. must; should have handed
C. may; can’t hand
D. can; could have handed
网友回答
A. will; should hand
(答案→)B. must; should have handed
C. may; can’t hand
D. can; could have handed
解析：可联系答.案.网客服索取。