(2013·北京,27)Many countries are now setti
题型:选择题
问题:
(2013·北京,27)Many countries are now setting up national parks________animals and plants can be protected.
A.when
B.which
C.whose
D.where
(2013·北京,27)Many countries are now setting up national parks________animals and plants can be protected.
A.when
B.which
C.whose
D.where