—I think it is ______ great pleasure to work with you.
—Me too. What’s more, what we’re doing will make ____ big difference to the lives of poor families.

We planned to climb the mountain today, but in such ______ bad weather, it seems out of ______ question.

、-How about        summer camp?-I should say it was        success.

-Are you satisfied with the result of the discussion? –Not at all , I can’t have        

Engineering is ______ challenging course of study that requires ______ thoroughunderstanding of mathematics and science.

“How does he make     living”?
As   matter of fact, He is a policeman.

Everyone was out of _____ breath after they ran for so long _____ time.

Helen looked at _________ finished report with ______ satisfaction.

It was ______terrible earthquake and ______ number of people who were killed reached more than 20,000.

It’s common knowledge that ________ United States is one of ______ biggest developed countries in the world.