题目内容：

关于被动语态的题目求解
eg.What kind of advice ______ you?
A.has gave B.was gave C.had been given to D.has given
正确答案为什么不是B呢?
eg.The slave _____from morning till night.
A.made to work B.was made working C.was made worked D.was made to work
为什么正确答案不是B呢?
在这里make 后面为什么不能跟动名词？