Difference between any and some

[Murali]

Test No. incompl/elem-2 "Money accepted", question 6

Do you want ......... sugar in your coffee?

(a) some
(b) much
(c) any
(d) little

Test No. incompl/elem-2 "Money accepted", answer 6

Do you want any sugar in your coffee?

Correct answer: (c) any

Your answer was: incorrect
Do you want some sugar in your coffee?
_________________________

What is the reason of using 'any' in the sentence, why not some?

[Torsten]

In questions and negative sentences we normally use any while in positive sentences we use some.

Do you want any sugar in your coffee?
I don't want any sugar in my coffee.
I'd like some sugar with my coffee, please.

You should also read these posts:
1. some vs. any
2. some, any, little and a little

TOEIC listening, photographs: Doing aerobics