Can you go to the park today ?, No , I can't, because I have to study all afternoon., Can I go to the restroom ?, Yes , you can. But take just 5 minutes., I can't go to your house today , I am busy ., Can they do the homework together ?, No, they can't. He doesn't understand it., Sara can't go there tomorrow because she is busy., Can you come to my birthday party ?, Yes, I can. I will go with my friends.,

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