The man in a black suit _______ be our youth worker.— I’m sure it _______ be him. I saw him in the laboratory building some minutes ago.

There is ______ elephant in the zoo.______ elephant is from Africa.

Can you tell me how to learn Chinese well? —Sure. The best way _____ Chinese is often using it more.

Managers in excellent companies have a strong _____ for doing things rather than talking about situations.

It’s very kind______you to help me_____my flowers.[ ]