The boy is ______ to leave home.
— Isn’t it hard to drive downtown to work? —Yeah, that’s why I ______ to work by train.
— Shall we go and have a picnic at the weekend? — ______. According to the weather forecast, there might be a cold front by then.
She is _____ newcomer to _____chemistry but she has already made some important discoveries.
—I have to go home now. Daddy and Mummy must be waiting for me.—OK. .
A large number of people are _____, and how can the local government ignore the problem?