Write don't, doesn't, isn't, aren't or am not in the blank space: We ... watching a televison program now. We ... watch televison every day. They ... study their lessons after class. They ... studying their lessons right now

​we ..... watching a televison program now 
we ....... watch televison every day 
they ..... study their lessons after class
they ......studying their lessons right now
it ....... raining very hard right at the moment 
it ........ rain very much during the summer 
Mr . johnson ...... eating his lunch now 
Mr . johnson ....... always eat at the place 
l ......... see any students in that room 
l .......... hear anyone in the hall now