blame 的用法?scientists are convinced that human action ___ for

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blame 的用法?
scientists are convinced that human action ___ for the warming of the world.
A is to blamed
B is to be blamed
C to be blamed
D is blamed
A: is to blamed 有没有写错啊,答案是选A,可是我认为会不会是is to blame,要不然为什么to后面还接分词?

是is to blame题错了
blame 不用被动.
He is to blame for the accident.他应在事故中负责.

blame 的用法?scientists are convinced that human action ___ for 英语翻译Many scientists today are convinced that life exists els sat 语法1.some political scientists are convinced that the maj 关于blame的用法___ for the break down of the school computer netw Scientists are convinced of the positive effect of laughter 英语翻译Scientists have found that human eyes are more likely to blame 的用法be blamed for 和 be to blame for 有什么区别?be to blame ( blame的用法 blame 的用法 are convinced that是什么意思?怎么用? convinced 用法关于blame的具体用法?