There are___people in Dale's family. They live on the___floor.( )
A.five; nineB.fifth; nine
C.five; ninthD.fifth; ninth
This is____friend,Sam.( )
I
my
me
﹣﹣May I come in?____,please.( )
Hold on
Sit down
Come in
Boys and girls,look____the blackboard,please.( )
at
out
in
I will never forget the people help me a lot in my life.( )
whose
when
which
who
We should study hard we can get much knowledge.( )
so that
unless
in order to