IjoinedthevolunteerorganizationRootsandShoots,

問題詳情：

 I joined the volunteer organization Roots and Shoots, _______ aim is to help young people take part in the protection of the environment and animals.

   A. whose                B. which                      C. what         D. where

【回答】

A

知識點：定語從句

題型：選擇題