If people obey the rules, there will be ___ traffic jams and accidents.
Old people must __________.
_Who is _____ English teacher, Lu Yu? _ Mr Tian teaches _______ English.
_ What ______ useful book! _ Is it _____ one that you borrowed from Mr Green yesterday?.
Which is right?
Happy birthday ,Mr. Wang! Here is a card for __________ with _____ best wishes.