This is the first birthday gift _________ I received.I've kept it many years.( )
A.whichB.thatC.whoD.what
It's necessary for you _______the classroom clean,class.( )
A.keepB.keepingC.to keep
I didn't realize he was a famous scientist ______ you told me.( )
A.untilB.becauseC.since
Which of the two subjects do you like,P.E.or music?
_______.They are really interesting.( )
A.NeitherB.BothC.None
Is this your son's sweater?
No,______ is on the chair behind the desk.( )
A.hersB.yoursC.his
I bought ______ useful dictionary yesterday._______dictionary is very cheap.( )
A.a; AB.a; TheC.an; The