— he be at home now ?
— No . he not . He be in his office . He often goes home from work at almost twelve .
A. Can ; can ; must
B. Must ; need ; can
C. May ; must ; must
D. May ; need ; must
网友回答
(答案→)A. Can ; can ; must
B. Must ; need ; can
C. May ; must ; must
D. May ; need ; must
解析：B不用疑问句；C、D两项第一空不用于疑问句表推断。