某校报名参加甲、乙、丙、丁四个兴趣小组的学生人数如图所示，那么报名参加甲组和丙组的人数之和占所有报名人数的百分比为____．

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项，并在答题卡上将该项涂黑。每个选项限选一次。

Teacher: What do you want to do in your future?

Lily: I like shopping and talking to people. ____ Maybe selling clothes is a good business for me.

Ryan: My hobbies are playing computer games and making friends online. ____ I guess I will learn more about computers and make super-smart computer programs.

Bill: My parents have kept lots of pets since I was little. ____ Those stories have always stayed in my mind. One day, I will share them with people by drawing and writing books.

Anna: Though my mom and two sisters are all doctors, I'm sure I will stay as far away from a hospital as I can. ____ I'll keep strong by playing my favorite sport, tennis, every day. One day I'll join the national team.

读图文材料.完成下列问题。