情景对话与语篇 — 英语填空题
题目
看对话，用 in / on / under 填空，完成对话。
Tom: Mum, where is my toy car?
Mum: Is it ___ your schoolbag?
Tom: No, it isn't. I look in my bag, but I can't find it.
Mum: Look! Your cap is ___ the desk, and your toy car is ___ the cap.
Tom: Oh yes! Thank you, Mum!