Supply the correct form of the given words

Here are the correct forms of the given words:

1. Whether the exam should be abandoned remains **controversial**.
2. Country lanes are often **impassable** in winter.
3. He was in such an **advantageous** position that he slipped out of the room.
4. Please ensure that your child's sports clothes are clearly marked in **washable** ink.
5. It is **illogical** to assume that Berenice is a marvellous cook just because she is French.
6. To avoid **breakage** on the journey, we’d better pack these glasses in either cotton wool or soft paper.
7. I always drink something **non-alcoholic** if I’m driving.
8. His **obsession** with computer began six months ago.
9. Three firms are in **competition** for the same contract.
10. My car is very **unreliable**. It’s always letting me down.
11. This poem shows the wonderful **sensitivity** of the poet.
12. There are very few **explorable** places left on earth.
13. The old lady hid all her **savings** under the floor.
14. When I have to wait a long time to be served, I start to feel **impatient**.
15. This knife is very blunt. It needs **sharpening**.