________ do you update your micro blog (微博)? —Twice a week.

China has got a good forfighting against the flu with its careful and smooth organization

．—Without your help, we _____ this task on time.—My pleasure.

I find it astonishing that John ____ be so rude to me.— Not astonishing at all. He is always rude to others.

What does the sign over there say?— No person _________ bring drinks into the student computer room.