问题详情:
We can never expect____bluer sky unless we create_____less polluted world.
A.a;a B.a;the C.the;a D.the;the
【回答】
A
知识点:冠词
题型:选择题
问题详情:
We can never expect____bluer sky unless we create_____less polluted world.
A.a;a B.a;the C.the;a D.the;the
【回答】
A
知识点:冠词
题型:选择题