你好，你想知道什么?
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1) because the united states is full of different races of people who come from different places around the globe
2) They might have different first languages or dress differently or talk in different accents
3) They might live in different style homes and play different kinds of sports based on what there culture likes best
Mostly when youre thinking of it, it's present tense while also being future tense as well, could, meaning in the present. For example, "I could do that". More than likely your sentence is in the present
Its either B or C.
never the last one, it actually is better to have points from the other side stated in your argument. But then you refute them it helps with your argument.
