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英语
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------people are now taking exercise in the playground
我觉得是on the playground a.a few hundred b a few hundreds c.a few hundreds of d,a few hundred of 选哪个为什么不选其他选项?
人气：344 ℃ 时间：2020-04-14 03:59:38
解答
A正确
B,不加S
C,D没有这种说法
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