wash your hands before meal,please改为否定句

You ( ) wash your hands () dinner wash your hands before eating. You mast wash your hands eating things 翻译:wash your hands before meals.'' Wash your hands c.before a meal wash your hands with the sunglasses?意思 wash your hands ____ a meal Wash your hands clean.句子成份分析 wash your hands 应该回答什么? Please wash your hands b_____ each meal. Wash your hands,____you can have food Wash your hands before you eat Please wash your hands ______meals .填介词 You must wash your hands now.wash your hands 是划线部分 对画线部分提问 Tom,wash your hands.改为现在进行时 You should wash your hands before_________(have)a meal. But you must wash your hands first.这个句子对吗? （补充单词）wash your dirty hands with the s