What does this phrase mean: "white water"?

[angelinas]

Test No. incompl/elem-17 "White Water Rafting", question 10

All right you win. I promise I won't bring it ......... again. Why don't just we go white water rafting instead?

(a) on
(b) up
(c) in

Test No. incompl/elem-17 "White Water Rafting", answer 10

All right you win. I promise I won't bring it up again. Why don't just we go white water rafting instead?

Correct answer: (b) up

Your answer was: correct
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What does it mean: white water?

angelinas

[Alan]

It's the foam made by the fast moving water.

Alan
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English as a Second Language
You can read my ESL story Too Many Words

[Seanmen]

what does it mean by "bring...up"?

[Hopeless_Girl]

hi seanmen,
bring up means to make a reference to something or just recall
I hope I won't mislead you and my explanation is correct nevertheless I'm not certain

[Mister Micawber]

.
Yes, that's right, Hopeless.
.
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Native English teacher at Mister Micawber's

[Seanmen]

So, in the question, does it mean "I will not mention this again"?

[Conchita]

[Seanmen]

Thank you very much.

[Dia_Nad]

what does mean "go white water "?
Diana

[Dia_Nad]

what does mean "go white water "?
Diana

[Conchita]

The full phrase is 'go white water rafting', in other words, 'go rafting in white water'.

http://images.google.co.uk/images?hl=es&q=%22white%20water%20rafting&um=1&ie=UTF-8&sa=N&tab=wi

[Dia_Nad]

Thank you. Diana

[Watie]

MR. Alan.. So What the difference between "bring it up" and "bring it on"?

i really need an anwer..

many thanks..