1.10 from on in on from in of on from in 11`~20 on on of in on of of from in on on of in 21---30 of on in from on on on in on in 31--40 from on on of in from on on in of 41--50 on on in on in in from of of of 51--54 on of from in
这些基本用法需要记忆的 好多也是查字典才知道的 不过大部分只要你熟悉单词的用法 搭配起来一般不会太难