A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.
In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".
The course (has been) a success with more than a thousand students joining it.
May Day or Labor Day is celebrated across the world on 1st May every year to mark the eight-hour day labor movement advocated 8 hrs of work, 8 hrs for recreation and 8 hrs for rest. In India, labor day was celebrated on Chennai's Marina Beach in 1923 by Labour Kisan P:arty of Hindustan.