(1) so...that 如此 以致 ，that在非正式文体中可以省略，so后面接形容词或副词。如：
She spoke __________ fast ___________ nobody could catch what she was saying.
她说话如此之快竟没有人听出来她在讲什么。
There is _________ little time left _________ I have to tell you about it later.
现在剩下的时间不多了，我只好以后再给你讲这件事。
(2) such...that 如此 以致 ,
具体内 容是：①such +形容词+名词+that从句。其中的名词可以是可数名词的单数或复数，也可以是不可数名词。
② such +a/an+形容词+单数名词+that从句,可换成so+形容词+a/an+单数名词+that从句。如：
The Japanese student made _________ rapid progress __________ he soon began to write article in Chinese.
那个日本留学生进步很快，不久就开始用中文写文章了。
The professor told us _________ all the students laughed. =________.
教授讲了个很有趣的故事，(以致于)所有的学生都笑了起来。
She is _________ beautiful __________ everyone likes her. = _______.
