问题补充:
How selfish it is him the cakes with others.
A. for; to share
B. of; not share
C. for; not sharing
D. of; not to share
答案:
A. for; to share
B. of; not share
C. for; not sharing
(答案→)D. of; not to share
解析:selfish是自私的意思,自私应该是不与别人分享蛋糕才对,故不能选A,句中的i
It是形式主语,真正主语在句尾,应用to do sth,故不能选B和C,只能选D。