—You________ tell Jack the bad news. He is very busy now. —OK. A. must B. can C. had better not
My brother _________ works in that factory. He has become a bus driver.
___ study in No.4 Middle School?
Usually we get ________ about something and end up _________ in Chinese.
We can’t fix this machine well. Can you show us ___?
Did you see them ____ basketball this morning?