【推荐1】他们现在正致力于人工智能的研究。（apply）
They are now _________ ________ ________ the study of artificial intelligence.

【推荐2】总之，患难见真情。
________ ________ ________, a friend in need is a friend indeed.

【推荐1】语法专练（将下列直接引语变为间接引语）
1. The local reporter said, "The foreigners have arrived at the scene of the accident."
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2. Mary asked John, "Can you come and help me water my flowers?"
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3. The teacher asked Peter, "Why didn't you attend the first class this morning?"
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4. "Bring me a cup of tea, please, "she said to her son.
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5. "Don't believe every advertisement you read," Michelle said to us.
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6. They told their son, "The earth circles round the sun all the time."
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【推荐2】How do you like this pair of rain boots with a Barbie on each side?
_____ _____ _____ _____ _____ this pair of rain boots with a Barbie on each side?

【推荐3】He asked her, “Where are you going？” (将直接引语变为间接引语)
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