I don't know how we should solve the problem.这how后面的是宾语从句但这个I don't know how to solve the problem.这里的how ...后面的是什么成分呢?how to do sth 这应该不是宾语从句吧?都没有主语啊……

I don't know,We can also how I don't know how to i don't know how to darling,I don't know,but how can we together,I will cherish our time together . I don't know how we use this computer=i don't know_____ ______ _____this computer We don’t know how I can get there.同义句 I really don't know how to f_____ him for we had a quarrel last night how to play basketball?I don't know.who know? i don't know how we get Start i don't want to cry ,don't want to say goodb 有哪首歌曲完整的 i don't know how to do it句型转换i don't know[ ][ ][ ]do. i don't know how与 i don't know why有什么区别? i don't know how i feel的中文 I don't know how can I ask questions? 英语翻译i don't think i know how.. I don't know.Do it how can i I don`t know how to have fun.(同义句） I don`t know how to have a good time.I don`t know how to()( I don t know how I should do it同意句I don t know how ____ ____ it How much I love you ,you don't know