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Answer:</h2><h2>The teacher said with a ger that the exercise was full of mistakes</h2>
C. A heavy rainstorm.
The text shows indication of a storm arriving. “Clouds arrived” are an indicator that clouds quickly appeared. “Lightning flashed” tells us these are storm clouds. It makes sense that next it would start raining, making the next event a heavy rainstorm.
You can add re- to get redust which means to dust again