【正文】
32 twothirds Step 6. Do exercises Let`s do an find a _______and then put it in the do we put the candleholder?Out it in the dish ____ ____full of that,we can________the the candle ________for two or three last put the jar ________the can we see?As the candle burns,it ________up oxygen in the the candle stop ________,it has used up all the water inside the jar goes________. Step 7.