The speed____ which the car runs depengs on the road condition.这是_英语解答

The speed____ which the car runs depengs on the road condition.
这是关于定语从句的问题,横线中应填一个介词.

人气：319 ℃　时间：2020-04-15 12:19:08

解答

at
车子以怎样的速度行驶取决于路况.
at which
源于at the speed of