十七、There is no one but ~~~ (没有人不...)

　　例句：There is no one but longs to go to college.

　　没有人不渴望上大学。

　　十八、be + forced/compelled/obliged + to + V (不得不...)

　　例句：Since the examination is around the corner, I am compelled to give up doing sports.

　　既然考试迫在眉睫，我不得不放弃做运动。

　　十九、It is conceivable that + 句子(可想而知的)

　　It is obvious that + 句子 (明显的)

　　It is apparent that + 句子 (显然的)

　　例句：It is conceivable that knowledge plays an important role in our life.

　　可想而知，知识在我们的一生中扮演一个重要的角色。

　　二十、That is the reason why ~~~ (那就是...的原因)

　　例句：Summer is sultry. That is the reason why I don‘t like it.

　　夏天很燠热。那就是我不喜欢它的原因。