Hesetupinbusiness____hisownandwasverysuccessful.
C
「句意」 他独自一人开始经商，并且做得很成功。
「难点」 on one‘s own 是个常用的介词词组，意为“独自”;of one’s own 表示“某人自己的(东西) ”，如： I have a flat of my own. 我自己有套房子。
It is imperative that students _____ their term papers on time.
_____ at in this way, the present economic situation doesn't seem so gloomy.
The minister of finance is believed _____ of imposing new taxes to raise extra revenue.
We can hear____from the back of the room.
The compositions contained so few errors that the teacher got the students _____ one another ’s papers.