Hints： 只聽寫例句。前面的單詞不用聽寫。 這一期有三個(gè)例句哦。第三句有一個(gè)"-"符號(hào)。
When she retired, she ordered all of her papers burned. Birds that feed in blocks commonly retire together into roosts. While they levied heavy taxes to repay state war debts, their larger neighbors might retire debts out of land-sale proceeds.