You ______ to the meeting this afternoon if you have something important to do.

          — _____ you find _______ ways to work out this problem, Jim?
— Yes, I ______.

For everyone’s safety, we ___________ a1ways remember the law against driving after drinking.

English is a language that many people around the world _______not speak perfectly but _________at least understand．

--Excuse me，Mr. Li,_________ I close windows? It’s cold now.
--Yes，you__________

—Be quite, the head teacher Mr. Qian is coming.
—Don’t worry. It _____ be him. Mr Qian is much fatter.

—Listen! Is that Pingping playing the guitar? 
—No. It __________be Pingping. He has gone to Beijing.

—I hear you’ve got a new iPhone 4S. ______ I have a look?
—Yes, certainly.

She can hardly write her own name, ______?

—Must I wait for you here?
—No, you ______.