题目内容：

Here are two letters to George and his replies.

1.Alice is worrying about ________.

A. her friends      B. her marks         C. her height      D her weight

2.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.

3.George advises Alice to talk to ________ for help.

A．her mother        B．her teacher        C．Bob’s teacher     D．Bob’s friends