II. Find out and correct the mistake in each sentence.
1. The proposal has repealed after a thirty-minute discussion and a number of objections to its failure to include our district.*
2. Although the danger that he might be injured, Boris bravely entered the burning house in order to save the youngster.*
3. While the boys were ice-skating, they slip on the thin ice and fell into the deep water.*
4. When the Second World War, almost a third of a million people were killed.*
5. Every candidate under considering for a federal job must undergo a thorough medical examination.*
6. Carbonhydrates and fats are two essential sources of energy for animal grow.*
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