---I don’t know how to use this camera.---It doesn’t matter. Here is the___.

He has saved lots of people’s________ since he came to this hospital last year.

Help ________ to some beef, Lucy and Lily. It’s very delicious.

Don’t forget to _______your notebook here tomorrow.

—__________ computers are there in your class? —There are forty-five, forty-four for students and one for the teacher.