由此语境可判断选B项。
14．A.and C．or
B．so D．but
解析：选D 作者心里不内疚，“但是(but)”很难过，由前后的转折关系可判断选D项。
15．A.choice C．difficulty
B．failure D．fear
解析：选A 作者的“选择(choice)”是给1美元而不是2美元，因此而难过，故选A项。
16．A.already C．still
B．even D．almost
解析：选C 给出1美元后现在“依然(still)”还有1美元，故选C项。 17．A.way C．right
B．chance D．duty
解析：选B 作者希望很快会有“机会(chance)”给出这1美元，故选B项。 18．A.enjoy C．give
B．value D．trust
解析：选C 由上文“... I wished that I had given him all that I had”的提示再结合下一句的意思可判断选C项。
19．A.need C．earn
B．lose D．borrow
解析：选A 尽管我们确实“需要(need)”钱来给我们自己的孩子买东西，但我们也“应该(be supposed to)”尽最大努力去帮助需要帮助的人，由此语境可判断选A项。
20．A.prepared C．supposed
解析：选C 参见上题解析。 Ⅱ.短文改错
This morning when I was walking in the street, I see a lovely baby. To my surprise, the baby's father was smoking with the baby right in the front of him. As is know to all, second-hand smoke can great harm babies. But many people pay little attention second-hand smoke. In much cases, fathers have to take care of their babies. Will they stop smoke if they know second-hand smoke can do great harm to their children's healthy? So we do hope fathers will be educated in what to take care of their children.
答案：第一句：see→saw
B．forced D．forbidden
第二句：去掉front前的the
第三句：know→known; great→greatly 第四句：attention后加to 第五句：much→many
第六句：smoke→smoking; healthy→health 第七句：we→I; what→how
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