l need your help because l don‘t know---A.how to do itB.how

l need your help because l don‘t know---A.how to do itB.how l really don,t know _____ and _____.A.What to do,How to do B l don't know how to answer this question.help me,please~ I don't know how to _____my sad feeling.Can you help me?A.do I really don't know how to f_____ him for we had a quarrel l I can't help ___ the job.because Idon't know how to do it. Because he didn't know how to do it,he went to her for help. l don't know how l can get to the hospital. l miss you but l don't know how to put it! l don't know what to do. 选择：1.I don’t know _______ this film began.A.how soon B.how l Do you [ ] eat outside?Yes,because I don't know how to cook.