Identify the incorrect sentence/sentences.
- It is important to monitor the groups.
- Check that the instructions are clear, and tell the students to begin.
- Inefficient bus service are a hazard.
- Traffic in the city has reached unsustainable levels.
‘bus service’ is a singular noun phrase which will agree with the verb ’is’ rather than ‘are’.
Therefore, C is the correct answer.
Concept: Incorrect/Correct Sentences (Entrance Exams)
Is there an error in this question or solution?