is necessary for us to wash hands when we are back home.( )
A.ItB.ThatC.This
He_______ like his brother.( )
look
looks
looking
﹣﹣﹣Mum,what's this?
﹣﹣﹣It's an _________ .( )
orange
banana
pear
Alice couldn't make herself________ attention to because her classmates made so much noise.( )
pay
paid
paying
There ________ a TV set in the room.( )
be
is
are
They go to school_______ bike.( )
by
with
on