问题补充：
Check you package carefully to make sure you don’t any things we will need in the trip.
A. leave in
B. leave out
C. leave about
D. leave for
答案：
A. leave in
(答案→)B. leave out
C. leave about
D. leave for
解析：短语辨析。A让…留下；B省略，遗漏；C乱丢，乱放；D去某地；句意：请仔细检查你的包裹以确认你没有遗漏在旅行中我们需要的任何东西。根据句意说明B正确。
