1.Learning a foreign language 动名词作主语
a most trying experience 非常艰辛的经历 最高级前用a 表示非常
a most interesting book 非常有趣的书 the most interesting book 最有趣的书
one 不定代词指 a most trying experience
I wouldn't trade for anything. 定语从句省略关系代词 that ,定语从句中作宾语的关系代词可以省略,trade sth for sth ,用什么交换什么的意思.
2.not only 开头的句子要倒装 ,词组 not only ...but also ...不仅... 而且.
open one' mind to sth 打开了某人的思路
the way of doing sth /the way to do sth 做某事的方式
the value of sth 某物的价值
another ,不定代词指三个以上中的另一个,the other 两个中的另一个
3. having learned a foreign language 动名词的完成时,作介词of的宾语,o of having learned a foreign language 介词短语作result 的定语
that I could communicate with more people than before. that引导表语从句
communicate with sb 和某人交流
than before 比以前