----________ Tom and his mother often watch tennis matches on TV?
----Yes, they _________.
| A．Do, are | B．Are, are |
| C．Does, does | D．Do, do |
Lily is _______ English girl. ________ is a student.
A. a, He B. an, She C. an, He
—___________?—He is Andy’s father.
A. How is he B. Where is he C. Who is he
Let’s ________ the blackboard.
A. be B. clean C. to clean
—Are there any balls under the chair?—________.
A. Yes, there is B. Yes, they are C. Yes, there are
There is an art room ___ the first floor.
A. in B. at C. on