—There is one bicycle.

—He's five.

①Sally    how    thank    like dogs    fly a kite    my family

②Who is she?      Is she your grandmother?      Yes，she is.

—He's a baby.

①      ②      ③     ④

—Who is she?    —She's my grandmother.

—Who's he?       —He's my grandfather.

—Who's he?       —He's my father.

—Who is she?    —She's my mother.