10. The flight was not delayed though it was foggy.

- Despite..............................................................................................................

11. We couldn’t study because it was noisy.

- Because of.........................................................................................................

12. Even though it was cold, I went swimming.

- In spite of..........................................................................................................

13. These students didn’t arrive late although there was the traffic jam.

- Despite..............................................................................................................

14. Mary can’t sleep because there was the noise.

- Because of......................................................................................................

15. She didn’t get ill though she worked very hard.

- In spite of.........................................................................................................