◎ 题干
The boy with his parents            the Greener China since two years ago.

[     ]

A. has joined
B. have been in
C. has been in
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“The boy with his parents the Greener China since two years ago. [ ]A. has joined B. have been in C. has been in …”主要考查了你对  【现在完成时】【主谓一致】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。