1. … crayons are mine.
This
Those
That
2. She … like reading.
don't
doesn't
isn't
3. We usually … dinner at school.
are having
has
have
4. There aren’t any … in the park.
bench
benches'
benches
5. Mary can’t … well.
swims
swim
swimming
6. “Whose watch is this?” – “It’s …”
mine
your
her
7. … open the window.
Doesn’t
Don’t
Aren’t
8. She’s … English teacher.
an
a
-
9. The farmer has some … .
duck's
ducks'
ducks
10. The plane leaves London … 9:00 a.m.
at
in
on