有这么多纪念品,我不知道该选择哪一个There're _ _ souvenirs,and I don't know _

我不知道我做错了什么 I don't know_ _ _ _ I don't know_ _ _ _( 我该问谁）有4空哦 他不知道下一步怎么办He doesn't know _ _ _ _. i don't knoe which scarf i should choos.i don't know _ _ _ _ i don't know _ _ _(多少次) HE HAS TRIED. I need some n_ _ _ _ _ _ _s and p_ _ _ _ _s 该添什么呢? ( )I am,weak in English.I don't know _. 合并英语句子.I don't know.HOW old are you?合成I don'tknow_ _ _ _.. 【合并英语句子】.I don't know.HOW old are you?合成I don'tknow_ _ _ _. Today there are two new students in our class.I don't know _ There are ______ students in the school . But I don’t know _ 我知道他将如何处理这些事情 I know how he _ _ _ these things.