分类：教育/科学-外语学习
问题：高二英语Ourboss______adifficultman__ 
Our bs______a difficult man_____.A、proved…to please    B、proved…to be pleasedC、was proved…pleasingD、was proved…to be pleasing答案;A  为什么？           
回答：proved　和 seemed , was 的用法一样,意思相近．


to please 作定语

和这句的句型是一样的：　It is a hard thing to do.