English is a difficult language________.A spokenB to speakC speakD to be spoken为什么选B不选D?

热心网友

动词不定式加动词原形可表被动.

热心网友

这是一种英语习惯搭配用法

热心网友

动词不定式表被动

热心网友

That is because we can say"he can speak English very well.",do you see?