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The number of books in the bookshop ________ (be) about 10,000 and most of them are about science.
11个月前
如图是一块长方形薄铁皮,利用图中阴影部分刚好能做成一只油桶,则油桶的容积是_________ .
1年前
Michael Leung, a famous TV host in Hong Kong, wrote a letter to his son.
1年前
The government has built Qiqiaoweng Wetland Park__________(protect) the wetlands nearby.
1年前
1年前