Tony studies very ______.He often does his homework until 10:30p.m.,but his brother Tom______ does homework.
Tonny is afraid ______, because he was bit by a dog.
He ______ would do great thins should not attempt them all alone.
It is ______ of a problem to be poor than to be dishonest.
The monkeys escaped ______ the zoo yesterday evening.
He doesn’t ______ to be a scientist.