—I for you for two hours, but in vain. Where did you go?
—I at my uncle’s.
A. had looked; may have stayed
B. looked; must have stayed
C. have looked; may be staying
D. looked; must be staying
网友回答
A. had looked; may have stayed
(答案→)B. looked; must have stayed
C. have looked; may be staying
D. looked; must be staying
解析：本题考查时态。根据句意可知“我寻找你两个小时”是过去发生的事情，故用一般过去时；must have done表示过去一定做某事。故选B。