Wind power is an ancient sourc

首页 / 试题 / 高中英语 / 试题详细

科目：英语
题型：单选题
难度：较易
人气：478

挑错有奖加入试题篮

题文

Wind power is an ancient source of energywe may return in the near future.

A．

on which

B．

by which

C．

to which

D．

from which

登录并查看解析

相关知识点

从属连词

推荐试卷

热门试卷