—I’m busy with my schoolwork these days.—That’s great! You won’t get good grades ______ you work hard.
Do you know the man________is talking with the teacher?
My pocket money________,so I wanted to find a part-time job to get more money.
He was badly ill,but he kept on________until 2:00 a.m.
My uncle was________control of a small company.
The doctor advised my father to give up________. A.smoke B.smoking C.smokes