Paper was discovered in China.改错
人气:340 ℃ 时间:2020-05-13 16:14:57
解答
Paper was invented in China.Could I go to the zoo tomorrow?No,you couldn't.(改错)I don't know that why he hasn't come yet.Could I go to the zoo tomorrow? No,you mustn't.I don't know why he hasn't come yet.
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