题目内容
3．当你离开教室时，不要忘记关灯．Don't forget toturn off the light when you leave the classroom．
分析 turn off．
解答 答案：turn off，
这里是需要译出关灯，用短语turn off，再者这里是forget to do sth表示忘记去做某事，故答案是turn off．
点评 turn off"关闭"一般用于关闭"有开关的"物体，如电视机、收音机等 Do you mind turning off the light in the living room 你介意关掉客厅的灯吗？
close一般指关闭物体，使其处于闭合的状态．如：close the door，please．turn off的反义词是turn on，close的反义词open．
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44．Taiwan is in thesouth of China．
45．Every morning the old man takes a walkalong the river．
46．It isimpolite to shout at your grandfather like that．'
47．January isthe first month of the year．