( )Don"t stand up in class until you ___to.Do you understand
please don't stand up in class until you are told to
please don't stand up in class until you_______.
Please don't stand up in classs until you----- A were told t
In our class,you don‘t have to stand up to answer question u
You don't understand?
you don't understand
look up a word in a d_if you don't understand it.
Look up a word in a d______if you don’t understand it.
You never know what you can really do until you stand up and
Do you understand?That don't you why say是什么意思
Don't explain you understand
I don't understand you.