题目内容：

    I was driving my newly-acquired motorcycle across the vastness of North Dakota. Suddenly, it broke____on the highway. Later I found it was because something had got stuck into the front tyre.

Anyway, I sat on the __ of the highway for a long time. I tried keeping calm, but it didn’t ___. Finally, a young man____and offered me a ___. However, he already had two motorcycles in the black of his truck, he could____take me along.

He____me to the next town, where I asked to be dropped off, but he waited____while I asked around if anyone could help me to go and pick up my motorcycle. One elderly____was working and said that I could use his pickup！Could you____that? A stranger gave the key to his pickup.

It was quite an____, I must say. So, as I drove back 20 miles to get my____, the young man who first ___to help me followed me. We both put the bike in the back of the truck, and then I followed him another 50 miles or so and____we arrived at his place. We both____the bike there to repair. Then, he followed me back to the small____so I could return the man's truck. I wanted to give the man some cash for using his truck, but he ___.

Two strangers helped____me from spending the night on the side of the road. I don't recall their names, but I value this experience as if it were yesterday. I felt so____. Thank you, strangers. It's you that____my day.

1.A.up B.in C.down D.out

2.A.side B.end C.middle D.back

3.A.matter B.help C.occur D.exist

4.A.took on B.turned down C.pulled over D.cut in

5.A.truck B.solution C.way D.ride

6.A.only B.even C.still D.also

7.A.guided B.drove C.led D.carried

8.A.nervously B.eagerly C.anxiously D.patiently

9.A.passer-by B.driver C.gentleman D.repairman

10.A.imagine B.guarantee C.prove D.acknowledge

11.A.expression B.impression C.adventure D.experience

12.A.bag B.car C.bike D.key

13.A.determined B.hesitated C.planned D.stopped

14.A.naturally B.eventually C.directly D.normally

15.A.unloaded B.fixed C.sold D.returned

16.A.garage B.town C.village D.shop

17.A.promised B.accepted C.declined D.confirmed

18.A.prevent B.rescue C.protect D.block

19.A.reliable B.considerate C.relieved D.grateful

20.A.make B.forget C.break D.pass