高中英语语法!(比较有难度)
1.beavailablefor/to的区别?
2.Shanghaias(a/the)populationofover16million.(chooseoneandsaywhy)
3.Theofficialmascotsofthe2004OlympicGameswereAthenaandPhevos,___________________(AthatofbothBofwhichboth)为什么选B?(解释请详细)
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