---Is your job a cook, Alen? ---Yes, _______.
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.smokeB.smokingC.smokes
(陕西)Don’t worry.We’re old enough to look after________.
—Not only the young but also the old are interested WeChat(微信).—They can communicate more freely.