Relacionar Columnas matching BVersión en línea matching when and while por Kristina Topalova 1 A boy fell over while... 2 We were waiting for the firefighters when... 3 Joe was painting when... 4 Mr Carter took all our names while... 5 The fire alarm rang while... I was doing a science experiment. he was running out of the building. we saw the smoke. we were standing outside. he heard it.
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