-----What happened here yesterday?-----An adventurer was walking at the foot of the mounta

发布时间：2020-08-16 11:15:13


-----What happened here yesterday?                          
-----An adventurer was walking at the foot of the mountain      suddenly a stone fell and hit him on the head.

A. where
B. while
C. how
D. when

网友回答

A. where
B. while
C. how
(答案→)D. when
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