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