–Look! The boy is running fast! –He might ______ to catch a bus.

— Is Kate coming to the party this evening?— No, she _________ be the party. She________ to the UK.

My sister met him in the hospital yesterday afternoon, so he _________ your lecture.

 I’m really tired of Tom because he ______ keep asking silly questions. 

--We need a man full of wisdom to take charge of the project.--________ the young man graduating from Harvard have a try?