The cause he had devoted himself to _______ a perfect success.

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• The cause he had devoted himself to _______ a perfect success.A.proving\x05 B.proved C.was proved D.has been proved怎样翻译好?
• The research he had devoted himself to （）（prove）a great success 动词填空..
• The cause he had devoted himself to _______ a perfect success.
• 英语翻译David McConnell sold books door-to-door.Housewives were not interested in the books and frequently slammed the door in McConnell's face before he had a chance to make his sale.Instead of giving up,McConnell decided to give away a free gift,a small vial of perfume,which he made himself.He soon discovered that the women preferred the perfume to the books.He stopped selling books and created his own company Avon,which is a great success.　　When you do
• 关于英语中现在分词做状语和过去分词做状语的问题看例句Devoted to study,had no time to relax.Devoting himself to study,he had no time to relax.这两种情况有什么区别?为什么要这么用?第一句打错了应该是这样的Devoted to study,he had no time to relax.
• 两道高中函数题目
• 1.已知f(x)=x^2+px+q和g(x)=x+4/x在区间A=[1,5/2]上对任意x属于A存在常数x0属于A使得f(x)大于等于f(x0),g(x)大于等于g(x0),且f(x0)=g(x0).则f(x)在A上的最大值为（ ）A.5/