Question

Identify the incorrect sentence/sentences.

1. It is important to monitor the groups.
2. Check that the instructions are clear, and tell the students to begin.
3. Inefficient bus service are a hazard.
4. Traffic in the city has reached unsustainable levels.

Options

• A

• B

• C

• D

Answer 1

‘bus service’ is a singular noun phrase which will agree with the verb ’is’ rather than ‘are’.
Therefore, C is the correct answer.