补全对话（5小题，每小题2分，共10分）
A: Mary, you look unhappy. What happened?
B: _______________________________.
A  Oh,dear! What are your problems?
B: Well, I’m not good at sports. Some students often laugh at me in P. E. lessons.
A: ______________________________. I think you should do sports more often.
______________________________?
B: I made a friend on the Internet. He wants to meet me.
______________________________?
A: You shouldn’t go to meet him.
B: But he is always inviting me to meet him.
A: You could talk with your parents about it and go to meet him with your parents.
B: That’s a good idea. _________________________.
A: You’re welcome.