听力技能：获取对话中的关键信息 — 英语填空题
题目
听对话，补全句子。
Mia: I’ve finished my presentation about online shopping. I’ll share it tonight.
Leo: Are you going to make it public?
Mia: No. I’ll send the link to our class group, and only our classmates will be able to open it.
Leo: That’s a safer choice.
Mia will limit access to ___ .