题目

完形填空  阅读短文，从每题所给选项中选出可以填入空白处的最佳选项。 I used to give much money to the homeless around, feeling sorry for their misfortune(不幸)．But later I became a single mom   1   no home, a huge debt (债务) and hardly any income． 2 , I stopped giving and became very bitter．Several years later, things started to   3 . I became rich enough to have a home, and 4 a backyard. And I started to pull myself out of debt．One day we saw a homeless person with a 5 “Will work for food．” I passed him．My daughter asked why I 有些衣服穿不了多久就会在其表面上吸附着很多的灰尘，且不易去掉，请你解释这一现象的原因．