7、edishes3.usea__________4.__________theclothes5.__________themeals6.setthe________7.__________thebed六、选择正确的词完成句子。(16分)can do can't housework1.Mysister________useacomputer.2.Whatcanthey________athome?3.Bencanhelphismotherdo________.4.________youwashtheclothes?七、按要求完成句