Why don’t you ask him for help? You _____ be good friends.— We have disagreements and we haven’t talked to each other for a long time.

Have you finished you work? Yes, I have finished it. I finished it 1 hour ago.

This book _______ be Tom’s. Look! His name is on the cover.

It’s very important for us to learn how to learn by .

What do you think of math? — I find difficult to learn it.