there is____air pollution in the city A.none B .too many C.many too D .too many

题目

there is____air pollution in the city A.none B .too many C.many too D .too many

答案

全是错的
none必须在前文中提到了这个东西才能用,同时后面不必跟air pollution
B,C,D错都是因为air pollution 是不可数,不能用many