3. Those men ______________ tall.
are
6. This ______________ interesting.
is
9. These mice ______________ small.
are
1. What ______________ this?
is
7. That ______________ my teacher.
is
4. This exercise ______________ difficult.
is
2. These chocolates ______________ nice.
are
5. What ______________ those?
are
8. Who ______________ that?
is