1.this furniture is so old that it is not worth keeping

=> this is

2. although he didn't speak dutch, bob decided to settle in amsterdam.

=> in spite

3. in spite of his age , mr. benson runs seven miles before breakfast.

=> although 

4. i admit he's clever , but i don't think he'll solve this problem 

=>however

5. he managed to complete the sculpture although his eyesight was failing

=> despite

6. although it rained torrentially all day, we all enjoyed the excursion 

=> despite

7. in spite of the forecoast it stayed fine .

=> although rain

8. provided your handwriting is legible the examiner will accept your answer

=> so long as the examiner

9. you can use it as long as you like, and it wn't wear out

=> no matter

10. although judy was severely disabled she participated in many sports 

=> despite her

11. their dog was so fierce that nobody would visit them

=> they had

12. even though i admire his courage , i think he is foolish 

=> much 

13. my slow progress was due to bad teaching

=> as a result