单选题 ( ) are happy at the news.

单选题 ——Is Jim your brother? ——( ).

单选题 Linda and Sonia are sisters. This is ( )room.

单选题 He is a boy.( )name is Jack.

单选题 ( )season do you like, spring or summer?

单选题 ( ) is your favorite color?

单选题 This is not ( ) dictionary. I think it's( ) dictionary.

单选题 I have two sisters.( ) of them are doctors.