You must wash yourself ______ you have meals填什么

You must wash these clothes( )warm water. You must wash yourself ______ you have meals填什么 But you must wash your hands first.这个句子对吗? your trousers are d——.you must wash them. you not only must wash the dishes.you must not only wash the dishes.which one is right ? You must wash your hands now.wash your hands 是划线部分 对画线部分提问 You must ________ (wash) clothes at the weekends .这个wash应该怎么变?为什么? you must wash your hands hefore eating.为什么要用your?you must wash your hands before eating.为什么要用your？ you must ----wash your hand---- before dinner就划线部分提问 Your pans____dirty.You must wash them at onceA.am B.isC.are D.be You must wash your hands when preparing food,to guard against spreading infection.翻译 翻译:his mother stops him and says:''you must wash your face and brush your teeth first Your hands are very dirty.You must wash them with s_____根据首字母提示填写—— i must wash my hands ____ lunch. We must wash our hands befor m_____ children must wash their clothes t__. -Must I wash dishes after supper?-No,you ( ).A mustn't.B don't have to.C don't.D must. MUST开头的问句能不能这样回答例如MUST I WASH THE SHOE?NO,YOU DON'T HAVE TO.MUST开头的问句可以用NO,YOU DON'T HAVE TO回答吗?为什么?