听录音,填空并连线。1. This is a __________.2. There are __________.3. I'm writing a ____________ on the paper.答案1. computer 2. postcards 3. letter 1-B 2-C 3-A
3. I'm writing a ____________ on the paper.
1. computer 2. postcards 3. letter 1-B 2-C 3-A
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