Whenyouwanttohuntforapieceofenvironmentallyfriendlyfur...

问题详情：

 When you want to hunt for a piece of environmentally friendly furniture, you should try to know the types of materials         in building the furniture.

       A. used               B. being used                  C. using            D. to use

【回答】

A

知识点：非谓语动词

题型：选择题