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问题: 高二英语竞赛8

In the countryside__all kinds of plants.
A.is to be found
B.are to be found
C.are to find
D.have found

解答:

In引起倒装结构,再看用is还是are.
all kinds of plants,是说各种各样的植物,表示种类用复数.
植物是被发现的,所以选B