--Is that Anna's car?--It____be hers. She has just gone to the theater for the new opera.
I have _____ American friend. He is _______active boy.
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