我在Flu前会用the，但很多人不用。 :)

1. A cold

2. The flu  (But there are some who do not use “the” here.)

3. AIDS

4. A cough

5. hiccups

6. cancer

7. A cut

8. measles

9. diarrhea  (Some would have “A” here.)

10. An eye infection

11. dry skin

12. A fever

13. insomnia

14. A headache

15. malaria

16. A stomachache

17. A sore throat

18. A toothache

19. A sunburn

所有跟帖： 

• It seems like "A flu", "The flu", and just "Flu" are all OK :) T -甜虫虫- ♀ (0 bytes) () 10/16/2021 postreply 14:06:32

• Yes, they just want to confuse people. :) -ibelieu- ♀ (0 bytes) () 10/16/2021 postreply 14:17:32