Answer:
1.) Yesterday I had cough <u>and</u> cold
2.) I am not a fan of sweets <u>but</u> I love chocolates occasionally.
3.) Do you like Spaghetti <u>or</u> Ramen?
4.) I like neither Spaghetti <u>nor</u> Ramen
5.) i studied 5 hours yesterday <u>for</u> the coming math test
6.) You are so far <u>yet</u> so close from guessing the answer!
7.) You should study with all concentration <u>so</u> you can understand better.
Hope this helps!