EXERCISE: Auxiliary verbs

Choose the correct answer: 


I'm not coming tomorrow,___ I?
is
do
am
should

___ you seen the Mona Lisa?
Do
Has
Can
Have

___ your family celebrate Easter?
Does
Do
Has
Have

They ___ opened yet.
did
don't
haven't
hasn't

___ everyone ready?
Are
Has
Does
Is

The Russian tourists ___ in the museum.
had
were
been
is

Which floor ___ they live on?
do
are
does
is

I'm using your pen, ___ I?
aren't
is
isn't
was

She ___ already finished the project before he asked for it.
had
is
have
has

He ___ brought it yet
hasn't
has
had
haven't