---Try to remember to turn off the light when you leave the room. ---I’m trying
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---Try to remember to turn off the light when you leave the room.
---I’m trying to expenses
A.keep off
B.keep down
C.keep out
D.keep from
试题答案
B
考查短语辨析。keep off 远离，keep down 抑制，keep out 不进入，keep from 避免，句意：当你离开房间的时候努力记住要关掉灯。我正在努力抑制花费。所以选B。