按要求改写句子。
1. I know they speak English. (改为否定句)
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2. Do you know? What country is it? (合并为一个问句)
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3. This is Australia's flag. (改为一般疑问句)
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4. Do you see a little flag inside its flag? (改为肯定句)
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试题答案
1. I don't know they speak English.
2. Do you know what country it is?
3. Is this Australia's flag?
4. I see a little flag inside its flag.