听力与口语综合训练 — 英语填空题
题目
请家人朗读对话两遍，你听后用英语口头回答并填空。
Mia: What time does the school book sale start?
Ben: At 4:15. The school bus leaves at 3:50 and takes 20 minutes to get there.
Mia: Great. I'll take the bus.
问题：Mia到达时比图书义卖开始早几分钟？
Mia will arrive ___ minutes early.