Mario and I got into some _____13____. He told me about his family in Mexico, how he works _____14____ doesn't ever earn enough, how he used to live near Fresno and work on the farms but now ____15_____ more in the Bay Area. It was good talking to him, though I couldn't shake the nervousness completely. I kept asking him questions that would give me clues as to ____16_____he was being truthful.
When we got into East Palo Alto, I pulled into a gas station and told him it was as far as I could take him. He quickly got out and ____17_____ me several times, saying he _____18____ find his way home from there.
Thinking back on it, I am glad to give a ride to Mario. Although it was risky, I think such things should be done without _____19____, or not at all. I wouldn't say I'd _____20____ a hitchhiker（搭车人）again, but I know that if I did, I would make sure I could offer more love and less fear.
1. A. eventually B. obviously C. naturally D. casually
2. A. problem B. chance C. cause D. effect
3. A. approved B. expressed C. pointed D. announced
4. A. humour B. direction C. responsibility D. safety
