Our country ______the sixth population census(人口普查) already.

As we all know, with the development of science and technology, the earth’s resources are ________ at an alarming rate, so we should make good use of them.

Look! She is coming here and there _________

He managed what ___a smile of satisfaction though itwas an unexpected result that came out..

Would you please tell us something about the Groupof Eight(G8) —Well, G8 is an internationalorganization________the richest countries in the world, five of which are quitesmall and two of which are island states.