从方框内选出适当的句子补全对话,填在后面的横线上（有两项多余）。

A: Hi, Nancy!   41 

B: I am going home.

A: You look ill.    42 

B: I feel cold and I have a bad headache.

A: Did you see the doctor?

B: Yes, I did. I saw the doctor a moment ago.

A:  43

B: He said that I had a fever. He asked me to take some medicine ,drink a lot of water and have a good rest.

A: Do you often have a fever?

B: Yeah. You know I’m weak. When I have a cold, I usually have a fever.

A: Maybe you should take more exercise.    44   , the healthier you will be.

B: Thank you for your advice.

A:  45