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tích nha

33. The .............invention...... of television made Alexander G.Bell famous all over the world [invent]

34. We're worried about .........safety.......... of children [ safe ]

35. My brother has a new ........electric............. cooker. [electricity]

36. You must put all ............dangerous........... objects out of children's reach [danger]

37. The Prince and the poor girl had a happy ............marriage......... [marry]

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