問題詳情:
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
知識點:冠詞
題型:選擇題
問題詳情:
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
知識點:冠詞
題型:選擇題