46.A.You　　　　　　　　　　　　　　 B.We　　　　　　　　　　　　　 C.They　　　　　　　　　　　　 D.I

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　　　 Jose had just seen his friend, Mike. Several hours ago his friend was ______(51) by a speeding truck and hurt badly. He wept(流泪) silently as he thought about his _______(52) friend. Nothing else seemed to ______(53) now. He was so sad that he ______(54) do his school papers. At home, he looked at the TV screen but nothing seemed to be _______(55). Jose knew that Mike would get better, but he worried about the _______(56). Would it happen again?

Mike was a big dog, and Jose knew that he should probably ______(57) in the country where there were fields and woods. There he could run and play safely away from the city _______(58). Jose also knew that if he gave Mike to a farmer, he would never, if ever, get to see him _______(59). It was very ________(60) for him to decide.　 Jose had _______(61) Mike from the time he was born. He knew what Mike ______(62), and he took care of him. He wasn’t sure that a new ________(63) would take care of Mike in the same way.

　　　 Jose didn’t know ______(64) he could protect Mike if he stayed in town. Dogs like Mike who want to _______(65) often have a way of getting away when you don’t watch them carefully.

45.A.need　　　　　　　　　　　　　　 B.decision　　　　　　　　　　 C.interest　　　　　　　 D.rule

44.A.look at　　　　　　　　 B.laugh at　　　　　　　　　　 C.worry about　　　　 D.talk about

43.A.on the air　　　　　　　　　　 B.in the air　　　　　　 C.by air　　　　　　　　 D.off the air

42.A.So　　　　　　　　　　　　　　　 B.But　　　　　　　　　　　　　 C.Therefore　　　　　　　　　 D.Or

41.A.streets　　　　　　　　　 B.cities　　　　　　　　　 C.roads　　　　　　　　　　　　 D.villages

40.A.when　　　　　　　　　　　　　 B.until　　　　　　　　　　　　 C.because　　　　　　　　　　 D.unless

39.A.least　　　　　　　　　　　　　　 B.most　　　　　　　　　　　　 C.less　　　　　　　　　　　　　 D.more

38.A.suggest　　　　　　　　 B.agree　　　　　　　　　　　　 C.allow　　　　　　　　　　　　 D.accept

37.A.through　　　　　　　　 B.on　　　　　　　　　　　　　　 C.in　　　　　　　　　　　 D.with