连词成句，转换句型

The most improtant invention is the Internet
2.receive=hear from所以填didn't hear from

1.The Internet is the most important invention
2.不知道你是几年级，也不知道你都学过什么单词，同意句就是“没有接受”的同意词，你查一下课本的单词表的

the internet is the most important invention
don‘t hear from

I take the opposite of your invitation