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