lots of trees were cut down and some kinds of trees () A.were disappeared B.disapeared
问题描述：
lots of trees were cut down and some kinds of trees () A.were disappeared B.disapeared
答
选B;因为and 前连接的动词是被动的,而后面的动词disapear应用主动,因为是树木自己自动消失,不应该用被动.