--- I think the environment is becoming
题型:选择题
问题:
--- I think the environment is becoming worse and worse.
--- Yes, I really don’t know we can do about it.
A.which
B.whether
C.that
D.what
--- I think the environment is becoming worse and worse.
--- Yes, I really don’t know we can do about it.
A.which
B.whether
C.that
D.what