共50条信息
______ of the population in China ______ farmers.
We have to feed more people now because the world’s population has grown by six times ____________ it was in 1800.
The worldˈs population has grown ___________ it was in 1800.
But the one million people of the city, who thought ______ of these events, were asleep as ______that night. So ______of them died or were injured during the earthquake.
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