Why don’t you _____ your teacher for help when you can’t finish _____ it by yourself ?
一Is there ____ bread in the fridge? 一Yes. Would you like _________?
一is Tom’s mother? 一The one in red.
Her father and mother ______ drinking black tea.
There isn’t _______________with your computer.
We should use _______ people and ______ money to do the work better.