He was badly ill，but he kept on________until 2:00 a.m．
A．work
B．working
C．worked
D．to work
My uncle was________control of a small company．
A．for
B．in
C．to
D．on
（2014黑龙江绥化）The doctor advised my father to give up________．
A．smoke
B．smoking
C．smokes
（2014陕西）Don’t worry．We’re old enough to look after________．
A．myself
B．me
C．ourselves
D．us
—Not only the young but also the old are interested WeChat（微信）．
—They can communicate more freely．
A．by
B．about
C．in
D．for
—Lily，could you please pass me the________?I want to cut the apple．
—Sure，here you are．
A．pen
B．pencil
C．book
D．knife
