Directions: In this question, the sentence has three or four highlighted words or phrases. Identify the one highlighted word or phrase that must be changed in order for the sentence to be correct. The highlighted parts of the sentence are numbered (1), (2), (3) and (4). In a sentence where only three words or phrases are underlined, the fourth option is “No change”- the sentence as stated is grammatically correct and hence no change is required. Remember that you have only to identify the highlighted word or phrase that must be changed in order for the sentence to be correct.

Great technical ⁽¹⁾ advances in aerial and satellite ⁽²⁾ photography have ⁽³⁾ been made since end ⁽⁴⁾ of the Second World War.