You must c---- it carefully before you do it填什么,why?~

You must look( )it We must C----------- your food well before you swallow it “Must we do it now?” “Yes,you ______.A.can B.must C.may You must c---- it carefully before you do it填什么,why?~ You must have missed it you must keep it well? AND YOU MUST BELIEVE IT you must do it by___(you) must i clean my room now ?---no, you ___ .but you must clean it tomorrow .A.must B. mustn't C.need D.needn't写解释 change...yes,you must do it!must do! it means you must turn left here. You must always be careful with it . You must careful.It is dangerous.改错 you must do it.中文是什么 You must finish it ____(care) It.must.Scare.to.you英文是什么意思 You must know it is unusual是什么意思? It’s a secret.You _____ tell anyone about it.A.mustn’t B.must C.can D.needn’t