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估计结果 |
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测量结果 |
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This pen costs .
beautiful helpful happy cheap |
Dad bought a computer for Amy, so she is very . Her computer is cheap, but it's very Grandma has got a computer, too. Grandma's computer is not expensive. It's . It's not beautiful, but it's . Because it can help Grandma send emails.
⑴found(原形)
⑵fell(原形)
⑶took(原形)
⑷carry(过去式)
⑸buy(过去式)
⑹bump(过去式)
不相交的两条直线一定互相平行.
18分=时 75厘米=米 25平方米=公顷