并列连词

It began to rain,so we had to stay here.

开始下雨了,我们不得不呆在这儿了。

1.so:所以,因此,于是

My teacher asked me to go, so I went.

我们老师让我去,因此我就去了。

比较

so除了作连词外,也可以作副词。

I hope you can pass the exam.

我希望你能通过考试。

I hope so.我也希望。

Don't walk so fast.别走得太快。