The first question was difficult, but the rest were pretty easy.

Life is unpredictable; even the poorest __become the richest.

--- Will Helen come to my party tonight?--- I am not sure. She _______ go to the cinema with her father.

 The boss has given everyone a special holiday, so they      go to work tomorrow .

---.Look! It _____be your uncle .----It_____ be him . He has gone to Xi’an.