Look! They _______________ a picnic.

The man in the office ____be Mr. Black because he phoned me from London just now.

Do you know Mozart? — Of course. He wrote _____ of beautiful pieces of music.

Would you like to see the comedy with me?—Yes, I’d love to. I like the movies ______ can make me laugh.

．—Mary，here’s a dictionary．I hope it will help you．—Thanks a lot．It’s ________ what I need．