English is a difficult language________.A spokenB to speakC speakD to be spoken為什么選B不選D？

熱心網友

動詞不定式加動詞原形可表被動.

熱心網友

這是一種英語習慣搭配用法

熱心網友

動詞不定式表被動

熱心網友

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