Look at that red bike, it _____ belong to you. I have seen you ride it. –But it ____ be mine. Mine is broken. I am having it repaired.

Please come to my party if you ____ free tomorrow.

It’s cloudy. You had better ________ an umbrella.

Look! Somebody_______ the sofa.—- Well, it wasn’t me. I didn’t do it.

The message is very important, so it is supposed_____as soon as possible.