–Have you decided where to spend your summer holiday?--Not yet. We _____ go to Hong Kong.

 You can’t imagine that a well-behaved gentleman _____ be so rude to a lady.

Some teenagers would rather _____ than _______ in their spare time. 

— May I smoke here?— No, you ______ . This is a no-smoking room.

—Whose schoolbag is this?—It ___________ be Mary’s. It has her name on it.