听录音，选出你所听到的单词，写在横线上。 1. I'm ____________ (reading a book / watching TV).
2. How many pairs of ____________ (socks / pants) do you have?
3. That is ____________ (my / his) teddy bear.
4. (These / Those) ____________ pants are too old.
1. reading a book 2. socks 3. my 4. These
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