---Do you know how long ________? ----I’m sorry I don’
How long ( ) she ( ) this dictionary?Sorry,I don't know.
Do you know--------last night?Sorry,I don't know
Do you know ___?-Sorry I don't know.
-Do you know ___?-Sorry,I don't know
I'm sorry I do not know how to love
Do you know _________?I'm going to see him.Sorry,I don't kno
"Do you know ______?I'm going to see him .""Sorry ,I don't k
I don't know whether you like ...I'm sorry
--Mary,do you know_________________? .--Sorry, I don’t know
you don't know how much/how long I want to see you,为什么用how m
I don't know how long i could stay with you,but i hope i can
--Could you tell me ________?-- Sorry,I don't know.I was not