How old is the baby boy?——He is an ________ boy.

He will call me as soon as he ______ the city.[ ]

According to the new traffic laws, people ______ drive after drinking wine or beer.

Most animals have little connection with animals of a different kind, _______ they hunt them for food.

It’s 9 o’clock now. I must go.—It’s raining outside. Don’t leave ________it stops.