题目内容
2. 我花了 3个小时看完这本书。
It to finish this book.
2. look me 3 hours
2. He won't go out until his parents will come.
5. 据估计，世界人口已达到70亿。
the world population has reached 7 billion.
5. We can't just a her guilt.
2. Factories are (不再) allowed to pollute the air with black smoke.
2. Playing on a frozen sports field sounds like a lot of fun. Isn't it rather (risk) ，though?
9. People wondered at the (amaze) achievements.
3. The prize will be given wins the game.
1. Tom is (acknowledge) as the best student in our class.
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