问题

There is _____ pollution in the world. Wemust stop it.

A: that, for
B:it, for
C:it, of
D: that, of

正确答案是：

同类题型

I am a new student here.

I think, and the problem can be settled.

Where is Xi’s Family Garden(习家池)—It ______ 5 km. south to the Old City of Xiangyang.

Maria，is that new bike _____ — No._____ is old.

Where is Mr. Wu I haven’t seen him for several days.—He ________ America and he ________ from his home since last week.