问题
选择题
What should the people do to solve the food problem if they live in hilly areas ____ is hard to grow
crops?
A．where
B．when it
C．that
D．where it
答案
答案：D
主要测试定语从句。所选项应是定语从句中的关系副词, 地点状语, 而且从句中又缺乏形式主语,故选D.
搜题请搜索小程序“爱下问搜题”