MCQOPTIONS
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| 1. |
Change the following sentences into passive voice: The smoke of the factory had polluted the fresh air |
| A. | The fresh air had polluted the smoke of the factory. |
| B. | The fresh air had been polluted by the smoke of the factory. |
| C. | The fresh air had been polluted with the smoke of the factory. |
| D. | None of the above. |
| Answer» C. The fresh air had been polluted with the smoke of the factory. | |