Answer:
1.studying hard,I passed the exam.
2.Hoa's richness,she could buy that house.
3.having a a physical handicap,he has become a successful business man.
4.his father's sickness,his father asked him to go stay at home.
5.her bad grades,she failed the University entrance exam.
6.an accident,I was late.
7.the heavy rain,I couldn’t go to school.
8.the price is cheap,my wife insists on buying the Tivi.
9.the heavy rain,we still went to school.
10.not being an intelligent student,Nam can learn very fast.