Beijing is the north of China.
A.on B.in C.at
you play football with your friends last Sunday?
A.DidB.Do C.Does
What you yesterday?
A.do；didB.did； do C.did；did
I am as as you, but I’m than you.
A.tall; strong B.taller; strong C.tall; stronger
pens are long, but are short.
A.Ours; their B.Our; theirs C.Our; their