Do you know about David?Yes,I know _____ very well.A.heB.himselfC.himD.his我选C,但是答案是B.为什么用反身代词呢?还是,那,有什么情况可以用反身代词呢?

Do you know about him? do you know about aphrodisiac?英语翻译下 What do you know about Halloween? What do you know about this university? Do you know 什么什么 about China? what do you know about the 中文翻译 What do you know about AIDS? What do you know about this organization? Do you know anything about china? do you know anything about ...or something do you （know） about my school Do you know more thing about it how much do you know really about Do you know anything more about bats? What do you know about our company HOW MUCH DO YOU KNOW ABOUT How much do you know about AIDS Do you know anything more about