阅读理解: I really love volunteering,for example, volunteering at old people's homes. It's one of my favorite________1. At my old school, I often helped my classmates. It was fun to_________2 their studies. I wasn't really a top student who always got the_________3 grades, but I could explain to them__________4. Now,when I'm___________5, I often volunteer on my town's main street. Every weekend, other____________6 and I make a lot of dishes to feed everyone who crosses the street. There are always about 400~550 people. The long day makes me tired, _______7 it also brings me great joy. The look of joy on those people's faces would make my weary(疲惫的)day into a ___________8 day. From my volunteering, I ____________9 that helping others doesn't only make others happy but makes _________10 happy, too. And maybe one day, the people once you helped would help you back. A.decisioons B.results C.hobbies D.subjects A.help with B.give up C.come up with D.look forward to A.worst B.fewest C.luckiest D.highest A.differently B.clearly C.cheaply D.loudly A.excited B.busy C.outgoiing D.available A.parents B.volunteers C.schools D.teachers A.or B.so C.and D.but A.upset B.serious C.good D.meaningless A.learned B.decided C.advised D.improved A.yourself B.myself C.themselves D.himself