you don't know the answer.l don't know------
you don't know the answer.l don't know------
l don t know
l don't know you to say
I DON'T KNOW THE ANSWER.YOU CAN ASK SANDY.__MAY KNOW IT.(填写适
I don't know which is the best answer 和I don't know which th
“i don't know you know i don't know
I don't know the answer to the question.
"You don't know the half of
1.-I don't know the answer to this question
( ) I don't know the answer ____the question.
I don't know the answer.It's d______.
I'm sorry,but I don't know the answer.