The word “they” in paragraph 3 refers to___________.
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Đáp án C
Từ “they” ở đoạn 3 ám chỉ đến____________.
They cut holes in the ice to provide more breathing holes for the whales. These holes would also serve as guides for the whales so that they could swim to warmer waters. Đáp án C: they là đại từ thay thế cho “the whales”.
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According to paragraph 2, the author mentions all of the following to show that whales “are more similar to humans” EXCEPT _______.
Which of the following best describes the main idea of this passage?
According to the passage, why was the frozen ice on the sea surface a danger to whales?
