楼上的,人家才初一,哪有这么复杂的单词.
1.You can see t___________ of stars in the sky at night.
2.At the beginning of the 20th century,the world's p________ was about 1700 millions.
3.The traffic is very heavy now,there are too many p________ and cars in the street.
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1,thousands
2,population
3,people