There are _____ boys on the playground.

Today more newly-produced mobile phones can take pictures _______ a camera.[ ]

You’ll have to shout ____her. She can’t hear very well.[ ]

If you like the new car, why not buy it?— But it’s really expensive. I can’t ______ it.

What was Jimmy going to do?—He was going to put ______ some signs ______ old books.[ ]