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Linh: How did the scientists have better understanding of the dolphins’ social interactions?

Tom: They carefully ______ the behavior of the dolphins in their natural habitat.

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Contrary to popular belief, many elderly people are __________ about new ideas and experiences, willing to learn from younger generations. (MIND)

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Tuan: We’re ready for the expedition.

Olivia: I don’t think we can. Look at the storm clouds in the sky, it ______ rain soon.

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Mandy: Why does Mandy look delighted?

Paul: Because her new dog quickly ______ well with the family’s cat, making them inseparable companions.

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Sophia: The young fox looked ______ thin.

Long: Yes, it had struggled to find food in the harsh winter.

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Lily: He seemed indifferent towards the unfair accusation, didn’t he?

Ben: Actually, he felt a brief flash of _____, but he managed to keep his voice steady.

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Mai: The smell of the milk in the fridge is ______. I think it has gone off.

John: Really? I’ll throw it away.

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Nhi: My little nephew feels delighted whenever she takes her ______ friend for a walk in the park.

Huy: I can see her smiling a lot.