and then both ended up from the same high school. Just three weeks before __10__， Bill asked Mark if they __11__ talk. Bill__12__ him of the day years ago when they had first met."Do you__13__wonder why I was carrying so many things home that day？" asked Bill."You see, I __14__ out my locker (寄物柜) because I didn't want to leave a mess (脏乱) __15__ anyone else. I had planned to run away and I was going home to __16__ my things. But after we spent some time together __17__ and laughing, I realized that __18__ I had done that, I would have __19__ a new friend and missed all the fun we would have together. So you see, Mark, when you picked up my books that day, you did a lot more. You __20__ my life."

　　1．A.fell　　　　　　　 B．sat

　　C．lay D．knelt

　　2．A.Although B．Since

　　C．After D．Until

　　3．A.found B．realized

　　C．said D．decided

　　4．A.played B．loved

　　C．tried D．made

　　5．A.questions B．ideas

　　C．trouble D．doubt

　　6．A.up B．out

　　C．off D．away

　　7．A.called B．helped

　　C．invited D．allowed

　　8．A.peacefully B．willingly

　　C．freely D．pleasantly

　　9．A.continued B．agreed

　　C．forced D．offered

　　10．A.graduation B．movement

　　C．separation D．vacation

　　11．A.would B．should

　　C．could D．must

　　12．A.demanded B．reminded

　　C．removed D．asked

　　13．A.ever B．usually

　　C．even D．never

　　14．A.checked B．took

　　C．cleaned D．put

　　15．A.over B．into

　　C．with D．for

　　16．A.find B．pick

　　C．pack D．hold

　　17．A.talking B．playing

　　C．reading D．watching

　　18．A.before B．if

C．while D．as