How often do I need to feed the birds—They ________ food every day，or they will behungry.

The people in this country ____ this kind of bird as a symbol of hope， so they never shoot them.

_ I didn’t do homework yesterday，___________

What is your hobby , Jack — Collecting stamps . What about you —_________.

sitting room looks so clean and tidy—Well, thanks to the baby-sitter She is a real ________