1. Dr. Addison has been trying (a) / to develop a medicine for diabetes (b) / for the last ten years. (c) / No error (d)

2. The reason we have not been able to pay income tax (a) / is due to fact (b) / that we did not receive pay on time. (c) / No error (d)

3. Having come to Calcutta (a) / he had found the people (b) / were warm and friendly (c) / and there was nothing pessimistic in them. (d) / No error (e)

4. My friend did not see me (a) / for many years (b) / when I met him last week. (c) /No error (d)

5. The Trust plans (a) / to set on (b) / a special school for (c) / dumb and deaf children. (d) / No error (e)

6. Of what I know (a) / of him, (b) / I hesitate to (c) trust him. (d) / No error (e)

7. The war of Mahabharata (a) / is the full length illustration (b) / of a righteous war. (c) / No error (d)

8. Shalini and I (a) are good fiiends (b) / and we meet (c) each other often. (d) / No error (e)

9. If I were him, (a) / I would have taught (b) / those cheats a lesson. (c) / No error (d)

10. Cricket has become so popular (a) / that even elderly people (b) / are discussing (c) / the game when they meet. (d) / No error (e)