Identify the underlined word or phrase (A, B, C, or D) that must be changed in order for the sentence to be correct (11-15)

The $\frac{equipment}{\left(A\right)}$ $\frac{in\ the\ office}{\left(B\right)}$ $\frac{was\ badly}{\left(C\right)}$ in need of $\frac{toberepaired}{\left(D\right)}$.

Choose the correct option to replace the quotation part of each sentence. Often visible as smog, 'ozone is formed in the atmosphere from' hydrocarbons and nitrogen oxides, two major pollutants emitted by automobiles, react with sunlight.

A majority of societyargues that neither technology nor genetic is to  blame for rampant childhood obesity in society.

If Ram lives on the first floor, then Sham lives on the second. Sham does live on the second floor. Therefore

Choose the correct sentence.