Though it was late, _____he went on with his work.
A.but B.and C.so D. /
He has a friend who_____the piano very well.
A.play B.playing C.plays D.played
I____singing to dancing.
A.like B.enjoy C.love D.prefer
“Help _____to some fish。” Mrs Smith said to the children.。
A.you B. yourself
C.yourselves D. yours
That is a watch of______.
A. his B. him C. my D. me
There are many tall buildings on ____sides of the street.
A.each B. every C. both D. either
