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The average price of commercial houses in our city has reduced by _____ 30 percent ,so we can buy one at _____ low price .

A．the; the

B． the; /

C． /; a

D．/; the

I think it’s impolite to play ______ trick on others just for ______ fun

Tom works in a company and gets paid by _____ hour, totally 5,000 yuan _____month.

In ______most countries, a university degree can give you ______ flying start in life.

As everyone knows, the South China Sea is __________ part of China, __________ important part of China, any other country outside Asia doesn’t have __________ say in this issue.

Beijing and _______European Union agreed on Tuesday to set up_______working group to promote high-tech sales to China．

We have made _______great progress in the medical field, but ______ progress we have made is not enough.

---- What ________ great fun it would be if we could light candles to celebrate his birthday!
---- Forget it! The teacher in   charge of our dorm won’t be happy to see that.

To tell ____ truth, his coming is really ____ big surprise to most people present at the party.

Zhang Xuan, ______ university student from Shanghai, learns ______ art in her spare time.