Directions: In the following questions, a part of the sentence is 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).

Q:

Chennai is by the way a cosmopolitan city.

• 1
  by and large
• 2
  on the large
• 3
  by the by
• 4
  No improvement