Hesetupinbusiness（）hisownandwasverysuccessful.
A、inC
「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。
Marytiptoedoverandtooktheclockawaybecauseshehatedtohearit（）whenshewastryingtogotosleep.
青年女性李××，平素体健，三日前突受惊吓，先心悸易惊，作卧不宁，少寐多梦，舌苔薄白，脉弦治疗宜选
The compositions contained so few errors that the teacher got the students _____ one another ’s papers.
Bread and butter（）liked by Westerners.
_____enough time and money, the researchers would have been able to discover more in this field.
