问题描述：
----People who live along this road receive their mail in these boxes.----Why are all of the ——
A.grey painted mailboxes B.mailboxes grey painted
C.mailboxes painted grey D.painted grey mailboxes
A.grey painted mailboxes B.mailboxes grey painted
C.mailboxes painted grey D.painted grey mailboxes
问题解答：
我来补答展开全文阅读