Water power station are built ______ big water falls. A. where there are B. where there have C. which has D.which are
A.A
B.B
C.C
D.D
正确答案是A
Water power station are built ______ big water falls. A. where there are B. where there have C. which has D.which are
A.A
B.B
C.C
D.D
正确答案是A