--- Guess what! I came across my deskmate of middle school at the part last year.
---______ I’m sure you had a wonderful time.
―Look! It looks as if it _______ going to rain. We must hurry.
―OK.
—Can I help you?
—I want to buy a blue tie to my shirt.
—Is the People’ Great Hall _______to ordinary visitors?
—Of course.
—Are you satisfied with what he has done?
—Not in the least. It couldn’t be .
---- The exam was too difficult, wasn’t it?
---- Yes, ______ could not pass it.