题目内容

I’m sure your suggestions will _____ the problem.
A．contribute to solvingB．contribute to solve
C．be contributed to solveD．be contributed to solving
A
考查语态。主语your suggestions和动词contribute是主谓关系，所以要用主动语态，排除C,D；contribute to，有助于，to是介词，后面要用doing形式，所以选A。
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