Spot the error The longer(A) Sue stays in Canada, the little(B) likely(C) she will ever go back(D) to England

Explanation

The error is in option B) little.The correct sentence should read: "The longer Sue stays in Canada, the less likely she will ever go back to England."The error is that "less" is the correct word to use instead of "little", as "less" is used to indicate a decrease or reduction in likelihood.