I can’t find my seat. Could you show me，sir—________. May I see your ticket，please

What do you think of BeijingOpera —-.

You must cut up ______ onion and ____ tomato first.

The Yellow River is the second________ river in our country.

— Bob! How is your project? I heard you started it last Friday, right?— Oh! I_____ for it. But I haven’t decided when to do it. [ ]