I don't know. can
同义句:I don't know what I can do .转换:I don't know what ( ) ( )
sorry i don,t know what i can do next sorry i don't know ___
I don't know ____if he can't do it.
I don't know why you can put up with his words?I don't know
I don't know when I can post this letter .
I don't know.Do it how can i
I don't know how I can fold my clothes.
I don’t know how I can learn English well
i don't know how i can spell the words.
I don't know how can I ask questions?
I don't know I can get to the zoo
I don‘t know