If you don’t know the answer to something, you say: “______”
if you don't know the answer ,say A SO B NO C YES D IT
you don't know the answer.l don't know------
If you don't understand something,you say
l don't know you to say
If you don't know the answer,you can___with your classmates.
If you don't want to answer a p_________ question,simply say
If you want me to do something.don't forget to say please
16.if you don’t know the word,why don’t you ______ inthe dic
If you mumble it looks like you don't know what to say
You know not to know,you what all don't say,slowly,the end i
Hao can i know ,if you don't say
If you don't belive it,you can find the answer yourself.A.to