https://online2.tingclass.net/lesson/shi0529/0001/1240/21-05.mp3
https://image.tingclass.net/statics/js/2012
21. When people become unemployed, it is ____ which is often worse than lack of wages.
A. laziness B. poverty C. idleness D. inability
<pluck>
pluck 采摘
plead 辯護(hù)
probe 調(diào)查
blush 臉紅
</pluck>
