阅读下面短文,从短文后所给各题的四个选项(A、B、C和D)中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
Many years ago, I owned a service station and roadhouse on the main road between Melbourne and Adelaide.
One very cold, wet night at about 3:30 a.m., there was a1on the front door of our house. A young man, wet from2to toe, explained that he had3 out of petrol about 30 km up the road. He had left his pregnant（怀孕的）wife and his two children 4at the car and said that he would hitchhike（搭便车）back.
Once I had 5a can with petrol, I took him back to his car where his two-year-old and four-year-old children were both6, saying that they were cold. Once the car had started, I suggested that he7 me back.
Before leaving, I had turned the heater8 in the roadhouse, so that when we went in, it was nice and9. While the little ones played and ran10, I prepared bread and butter for the children, and hot chocolate for the11.
It was about 5 a. m. before they12.The young fellow asked me how much he 13 me and I told him that the petrol pump（加油泵）had14$ 15. He offered to pay"call-out fee", but I wouldn't accept it.
About a month later, I received a15from interstate, a large bus company that we bad been trying to16to stop off at our roadhouse for a long time, It17out that the young fellow I had helped was its general manager, the most18person in the company.
In his letter, he thanked me again and19me that, from then on, all their buses would stop at my service station, In this20, a little bit of kindness was rewarded with a huge amount of benefits.

1．	A． kick B． hit C． beat D． knock

2．	A． finger B． shoulder C． head D． hand

3．	A． driven B． used C． come D． run

4．	A． away B． behind C． over D． out

5．	A． supplied B． poured C． equipped D． filled

6．	A． sleeping B． crying C． quarrelling D． fighting

7．	A． allow B． ring C． lead D． follow

8．	A． on B． off C． in D． over

9．	A． heat B． hot C． warm D． attractive

10．	A． around B． inside C． nearby D． along

11．	A． drivers B． guests C． customers D． adults

12．	A． left B． arrived C． ate D． disappeared

13．	A． gave B． paid C． owed D． offered

14．	A． appeared B． exhibited C． calculated D． shown

15．	A． call B． letter C． check D． notice

16．	A． get B． force C． require D． hope

17．	A． pointed B． turned C． worked D． found

18．	A． generous B． successful C． serious D． powerful

19．	A． praised B． persuaded C． informed D． convinced

20．	A． lesson B． business C． aspect D． case