He set up in business（）his own and was very successful.
A、inC
「句意」他独自一人开始经商，并且做得很成功。
「难点」onone‘sown是个常用的介词词组，意为“独自”;ofone’sown表示“某人自己的(东西)”，如：Ihaveaflatofmyown.我自己有套房子。
Whatactually__________agoodangle—oragoodselfieoverall—isrootedinwhatweconsiderbeautiful.
Frank almost never received any education ，（）?
Hesetupinbusiness____hisownandwasverysuccessful.
I long to alleviate __________, but I cannot.
Josephwasverylucky____withhislife;healmostdidnotgetoutoftheroom.
