我们聊了2个小时 英语怎么说?

We chatted for two hours.

I went to Shanghai and had a three-day fun.

we had a 2-hours chat.

I had been to Shanghai to travel for three days.

we talked for 2 hours
I took a three-day trip to Shanghai.

LS简直是在胡说八道，时态都没搞清楚！

应该是：
1.We have chatted for 2 hours.

2.I have been to Shanghai for 3 days with playing.

给分吧

1We have been talking for 2 hours.
2I have been to Shanghai for 3 days, visiting.

1.We have talked two hours
2.I went to shanghai and had a good time for three days