--- Did you hear someone talking in the living room?
--- Oh, I forgot to the TV just now.
A. switch off
B. switch on
C. turn on
D. switch over
网友回答
(答案→)A. switch off
B. switch on
C. turn on
D. switch over
解析:考查词组辨析:A. switch off关掉B. switch on打开C. turn on打开D. switch over交换位置,句意:--你听到有人在起居室说话吗?--我忘了关掉电视了。选A。