1.( )A.I am.
B.I can.
C.Me too.
2.( )A.He was at home. B.I am at home. C.I was at
home.
3.( )A.It's liu Tao. B.Liu Tao's.
C.Liu Tao is.
4.( )A.No,I don't.
B.No,I'm not.
C.No,I didn't.
5.( )A.I am going to
school.
B.I went to school.
C.I
go to school.