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。
Thebeachisinanideal（）todrawtourists.
There _____ nothing more for discussion, the meeting came to an end half an earlier.
_____enough time and money, the researchers would have been able to discover more in this field.
The back garden of our house contains a lawn ，（） very pleasant to sit on in summer.
If not _____with the respect he feels due to him, Jack gets very ill-tempered and grumbles all the time.
