He set up in business____his own and was very successful.
A、inC
「句意」他獨自一人開始經商，并且做得很成功。
「難點」onone‘sown是個常用的介詞詞組，意為“獨自”;ofone’sown表示“某人自己的(東西)”，如：Ihaveaflatofmyown.我自己有套房子。
Thesmallmountainvillagewas（）bythesnowformorethanonemonth.
Time_____,thecelebrationwillbeheldasscheduled.
The school is going the ________ mile to create the next generation of sporting stars thanks to its unique development program.
_____ for the fact that she broke her leg, she might have passed the exam.
The beach is in an ideal（）to draw tourists.
