用适当的介词填空.We should wash our hands ( ) meals.I often ask Mr Z

用适当的介词填空.We should wash our hands ( ) meals.I often ask Mr Z We should wash our hands before meals wash our hands before Before [eat] meals ,we must [wash] our hands 动词的适当形式 We shold wash our hands () meals. 英语同义句转换 we should wash our hands before we have meals.we sho I often _(wesh)my hands before meals.[用括号内单词适当形式填空] We should wash our hands b________meals. 用适当的介词填空.（1）We often talk （ ）our teacher（ ）our chemistry. 用介词、副词填空We should wash our face and brush our teeth___going I always wash the -------【dish】 after meals用所给词的适当形式填空 适当词填空一道Before supper we must wash our hands,and ______ it we we should wash our hands before we have