—People find it hard to get across the river．—I think at least two bridges         over it．

—What do you think of John?—He’s a good boy, but he ______ be really stubborn at times.

I hope you __________ to my birthday party.

--- We want someone to design the new art museum for us.--- ____ the young fellow outside have a try?

Take care! Accidents _________ happen along this part of the road.