1 have and gone
2dont and have stayed
3have and gone
4 have and have gone and skied
Answer:
I dont see anything. But my advice is just dont use a question unless you are in younger grades. Depending on what kind of passage this is, maybe report on an issue. State an interesting fact for your passage for the hook.
Answer:
They need more oxygen to function, so gas exchange needs to increase
Explanation:
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ha, you think it's funny huh?