Here are two letters to George and his replies.

Alice is worrying about ________.
A. her friends   B. her marks             C. her height                   D her weight
Bob should ________ according to George’s letter.

A．take more exercise	B．talk to his friends
C．join a basketball team	D．learn some French.

George advises Alice to talk to ________ for help.

A．her mother

B．her teacher

C．Bob’s teacher

D．Bob’s friends