Completar frases Sources of lightVersión en línea Let´s play and practice! por Carolina Alejandra Fernandez 1 not natural sources artificial source artificial not not artificial natural natural light source not The sun is a source of light . A battery is a source of light . The fire is a natural of light . A torch is an source of light . A cell - phone is an artificial source of . The lava is a source of light . The stars are natural of light . A chair is a light source . The light bulb is an source of light . A lightening is a source of light . The moon is a source of light . A candle is an artificial of light . A ball is a light source . A computer is an source of light .
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