Mark the letter A, B, C or D on your answer sheet to indicate the word whose stress is placed differently from that of others in each of the following questions

Martin Luther King devoted his life to the _______ of voting right for black people.

Mark Zuckerberg’s enormous success has taken a lot of hard work and ________ . 

After a hard-working day, I went to _______bed and had ________most beautiful dream ever

Overpopulation in urban areas tends to create unfavorable conditions, which may result in ______ of food in developing countries

They hope to _____ a cure for the disease.

Was it really necessary that I _____ there watching you the entire time you were rehearsing for the play? It was really boring watching you repeat the scenes over and over again