The speed ___light travels is very high.A which B at which C in which D with which

The speed ___light travels is very high.A which B at which C in which D with which
为什么选B呢?我记得以前说是速度时是用in啊,我觉得应该选C啊,为什么呢?有谁会,
英语人气:133 ℃时间:2020-04-16 16:17:02
优质解答
以……的速度 at the speed of
这个题是个定语从句,所以根据搭配应该是B
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