下面的句子有没有用到“do sth,by doing”语法对不对,不对请帮忙改正下,
问题描述：
下面的句子有没有用到“do sth,by doing”语法对不对,不对请帮忙改正下,
I learn math by fill in many questions I study physics by doing experiments I learn the language by reading the text
答
三句都有用到,但第一句有错,改为I learn math by filling in many questions我英语很废，你会吗我回答了你啊知道。。。我想问以后还能请教你吗？可以的，不客气