Jack,________,or you will get heavier.
—Mr. Ma has gone to Guangzhou on business.—Really? Do you know ?
---Why did you buy one more tie?you have got more than ten ties,---A man can never have _____ many ties.
I think that “Duang” must be one of the words on the Internet this year.
_____ you can understand how the human body woks, you need to have some knowledge of chemistry
---I hear the government is going to ___ the air quality with the new standard PM2.5,isn’t it?---Yes, ___ the air pollution will get more serious.