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Because of the great speed of light,we see a lamp light up a

来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:英语作业 时间:2024/07/30 11:40:57
Because of the great speed of light,we see a lamp light up almost at the exact moment ___ .
A .We turn it on
B .When we turn on it
C .that we turn on it
D .which we turn it on
Because of the great speed of light,we see a lamp light up a
选择A.首先开灯,应该是turn on the light,当light用it指代时,只能是turn it on而不能是turn on it,所以只有A或者D是可能的,然后主句中的the exact moment是时刻,表时间,所以只能用when或者that(除了一些特殊情况,从...