Hesetupinbusiness____hisownandwasverysuccessful.
A、inC
「句意」 他獨自一人開始經商，并且做得很成功。
「難點」 on one‘s own 是個常用的介詞詞組，意為“獨自”;of one’s own 表示“某人自己的(東西) ”，如： I have a flat of my own. 我自己有套房子。
Frankalmostneverreceivedanyeducation，（）?
_____ your timely advice,I would never have known how to go about the work.
Ofcourse，（）mostimmigrantsdidnotgetrichovernight，buttheofthemwereeventuallyabletoimproveupontheirformerstandardofliving.
John'sscoreonthetestisthehighestintheclass;he____lastnight.
To obtain a satisfactory result ， one must apply two____of paint on a clean surface.
