问题

It seems that living green is ________ easy andaffordable. A small step makes a big difference.

A:manners
B:age
C:behavior
D:hardly

正确答案是：

同类题型

Scientists think that there has been lifeon Earth for _______ years.

the initial exchange offirenearthe Yeonpyeong island, there was no furtherresponse from the DRPK, 

I am going_____ you went last week.

Don’t give me so many hamburgers. My _______ is enough.

You haven’t seen the film ‘2012’,have you