--- Did you hear someone talking in the living room? --- Oh, I forgot to ____ the TV just now.A.switch offB.switch on C.turn on D.switch over
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A解析试题分析：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。考点：考查词组辨析：
点评：这题考查switch相关的短语，相似的词组在平时学习中要记清楚，考查要放在上下文的语境中进行，