Directions: Read each sentence to find out whether there is any grammatical error in it. The error, if any will be in one part of the sentence. The letter of that part is the answer.
The tired and vexed travellers waiting at the airport for a long time

Options

A. a) The tired and
B. b) for a long time
C. c) waiting at the airport
D. d) vexed travellers

Answer

C

Explanation

For a long time is used to show an action of the past. However, "has/have been + Verb + ing will be the correct structure which is used to show an action that has been running from the past and still going in the present (present perfect continuous tense). So, have been waiting. is answer.