(38-40)
Ruby: Welcome to my house. Come on in.
Tina: Thank you. Your house is very quiet.
Ruby: My family aren’t at home. My father is watching a
baseball game on TV with his friend, Mr. Wang, in his
house. My mom is exercising with my grandma in the
park.   38.    your sister?
Ruby: In the movie theater. She is watching an American
movie with my aunt.
Tina: Aren’t there   39.   pets in your house?
Ruby: No.
Tina: Then, let’s sing and    40.   in the living room.
Ruby: That’s great!
Tina: Where’s your grandpa?
Ruby: He is singing with his old friends in the park.
Tina: How about your brother, Ken?
Ruby: Today is his classmate’s, Mike’s, birthday. He is at
Mike’s birthday party.

exercising 運動； theater 戲院

【題組】38.
(A) Who’s
(B) Where’s
(C) How’s
(D) What’s