I'd go to polytechnic and log on at 9 a. m. and sometimes I'd stay online until 9 at night.

我上午9点去理工专科学校上网，有时在网上呆到晚上9点。

youdao

I'd go to polytechnic and log on at 9 a. m. and sometimes I'd stay online until 9 at night.

我上午9点去理工专科学校上网，有时在网上呆到晚上9点。

youdao