Somepeoplefearthatairpollution-优题课

Some people fear that ________ air pollution may bring about changes in _______ weather around the world.

A．/; the

B．the; /

C．an; the

D．the; a

科目英语题型单选题难度中等

知识点：冠词的用法辨析

Here is such a difficult text _____ none of us can understand.
Here is such a difficult text _____ none of us can understand it.

—Which of these two dictionaries will you buy？
—I'll buy _____ ,for the different uses.

I didn't know _____ you were getting on well with your work.

Mr Black _____ his wife to teach their child a lesson. So he did.

I took them _____ because I didn't know which was the best.