In this question, a part of the sentence is given in bold. Below are given alternatives to the bold part at 1, 2 and 3 which may improve the sentence.Choose the correct alternative. In case no improvement is needed your answer is (4).
Everybody was alarmed with the news of his murder.
1). on
2). after
3). at
4). No improvement
1. Find out which part of a sentence has an error.