How long ( ) she ( ) this dictionary?Sorry,I don't know.
How long ( ) she ( ) this dictionary?Sorry,I don't know.
what's this in english?--Sorry,I don't know how ———it.
Dear teacher long:I don't know how to write this composition
sorry,i don't know how to answer your question?
sorry i don\'t know how to say
sorry,I don't know.
Sorry,I don't know
Sorry,I don't ( )how to sing this song.
I don't know how to use a dictionary.同义句I don’t know — I — —
I don't know this word.I want to____in your dictionary.
选择:I don't know this word.I want to_____ in your dictionary
i don't know how()(tell) you about this