The main unit _________ all the computer’s electronics.

The old man has________ useful horse and horse can do a lot of things for him.

Have you ever been to Qufu?—Yes. I went there last year. It’s a very _______ place.

Excuse me, could you ____________ me a minute, please? I would like to talk to you. —Sure!

There are many flowers and trees on ______sides of the Century Road.