154. Using renewable energy is a simple idea, but ______ we find it hard to put

题型：不详难度：来源：

154. Using renewable energy is a simple idea, but ______ we find it hard to put into practice.

A．one

B．what

C．which

D．That

答案

解析

略

举一反三

163. _____ you are leaving tomorrow, we can eat dinner together tonight.

A．For

B．Now that

C．When

D．While

题型：不详难度：| 查看答案

168. Whenever I met him, _____ was fairly frequent, _____ I liked his sweet and hopeful smile.

A．that; that

B．which; /

C．it; that

D．it; so

题型：不详难度：| 查看答案

170. Believe in yourself and be _____ you are.

A．which

B．who

C．whom

D．What

题型：不详难度：| 查看答案

172. --- Where did you see him?
--- It was in the hotel ______.

A．where he stayed

B．that he stayed

C．in that he stayed

D．which he stayed

题型：不详难度：| 查看答案

174. We will be shown around the city: schools, museums, and some other places, ______ other visitors seldom go.

A．what

B．which

C．where

D．When

题型：不详难度：| 查看答案