It’s terrible. The cat miaowed a lot at night. It ________ a baby crying.

Listen ! Peter is singing in the classroom . It _____ be him . He has gone back to his hometown .

If you eat ________meat, you’ll be heavier.

－Jack, how can I turn on this ipod－__________.

Do you have to hold our English party in the classroom—Well. I don’t know ______if not there.