contribute to do 还是 contribute to doing?

contribute to do 还是 contribute to doing? contribute to后面接to do 还是doing? how do we contribute to this issue? contribute to... it was his summer holiday and( )nothing to do,he began to contribute to a tourist magazine?是选found 还是finding? Why do you want to join Cargill?What do you think you can contribute to Cargill? devote to do 与contribute to有什么区别,它们分别又有什么用处? i am sure your suggestion will contribute to solving the problem这里为什么用 solving,只有contribute to do 的说法 what do you think the things that contribute to a successful marriage?大概120字xiexie What do you think are the things that contribute to a successful marriage? what do you think are the most importent factors that contribute to stable love relationship?give 关于the outsider?what do outsider contribute to society?几句话即可． 求题目为Do English songs contribute to English study的英语作文,急用 contribute to的四个意思? contribute to造句并解释 Overwork,little rest and poor food all c_____ to his illness.填contribute还是contributed呢? What do you think are things that contribute to a successful marriage用完整的语句组成段落 what do you think are things that contribute to a successful relationship with your boy(girl)friend