Whenyouwanttohuntforapieceofenvironmentallyfriendlyfur...

問題詳情：

 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

知識點：非謂語動詞

題型：選擇題