根据所给单词完成句子。要求符合语法，语句通顺，大小写正确，单词不得重复使用，

标点已给出。

1. better, are, feeling, you

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2. people, are, what, they, kind

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3. does, which, in, live, building, Jenny

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4. cost, the money, didn't, dictionary, much, me

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5. lend, Sam, MP5, to, I, yesterday, my

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把等质量的金属镁分别放在：①纯氧气(O₂)中；②二氧化碳气体中；③空气中。完全燃烧后，得到的固体物质的质量分别对应的是w₁g，w₂g和w₃g。以上三者的关系正确的是

A．w₁＞w₂＞w₃

B．w₃＞w₁＞w₂

C．w₃＞w₂＞w₁

D．w₂＞w₁＞w₃