The speed ______ light travels is said to be the maximum in the universe.
A.in which B.by which C.from which D.with which
个人觉得应该是 at which,选什么好呢?
人气：462 ℃ 时间：2020-04-04 18:32:49
解答
B.by which
by有通过某种方式/形式的意思.
常见by sea ,by road ,by air,by car,
这里by the speed of .也是同理.
推荐
猜你喜欢
