Which phrase has the most negative connotation? A collaborator , an accomplice , a partner ?

An accomplice.

Explanation: Typically, we use the word accomplice in relation to crimes, specifically theft. Since crime is well, negative, an accomplice has a negative connotation, more so than a collaborator or partner.

go

explanation:

because it can't be a slow, i would say possibly whoa, but there's nothing too surprising about orange juice, and because it tastes awesome it's a go drink, not food.

the third answer is right : )

i hope this you with your work! : )