听录音，选择正确的答案。(同学们请注意：听第一遍可以先选出单词，听第二遍再把所选单词抄在横线上，听第三遍检查。)
1. A: Where is ______ (my / your) schoolbag? B: It’s ______ (on / under) the desk.
2. A: Don’t ______ (sleep / shout), Tom. B: I’m sorry.
3. A: Is ______ (this / that) your lunch box? B: Yes, it is.
4. A: ______ (Look / Look at)! A flower. B: How nice!
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