At three o'clock we reached the top ( )the

问题描述:

At three o'clock we reached the top ( )the
hill.(of,off)选其中一个

At three o'clock we reached the top ( of )the hill.三点钟,我们到达山顶
the top of the hill 山顶
off 常和动词搭配,如:take off
不明白的再问哟,请及时采纳,多谢!