Whatever your opinion is ,it is welcome.Your feedback will______the improvement of our courses
问题描述：
Whatever your opinion is ,it is welcome.Your feedback will______the improvement of our courses
contribute on
B.contribute to
C.contribute in
D.contribute for
答
B
contribute to 是一个固定搭配,有捐助,捐献,贡献,投稿的意思.整句的意思是无论你的观点是什么,都是受欢迎的.你的反馈酒会对我们进程（课程）的提高有有帮助
请注意哦,contribute to后面加名词或是动名词.