MCQOPTIONS
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				| 1. | 
                                    Change the following sentences into passive voice: The labourers have called off the strike. | 
                            
| A. | The strike has called off by the labourers. | 
| B. | The strike has been called off by the labourers. | 
| C. | The strike have been called by the labourers. | 
| D. | All of the above. | 
| Answer» C. The strike have been called by the labourers. | |