He was worried about his mother and walked( )in the room.

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He was worried about his mother and walked( )in the room.

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When he was questioned about the missing ring , he firmly___that he had ever seen it.

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Little ______ about his own safety, though he was in great danger himself.

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He discovered that the old woman was hard ______ hearing.A. at B. inC. about D. of

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Michael’s mother read him __________stories about flying that described the land from a bird’s-eye view when he was growing up.

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