大连的天气与丹东的天气一样凉爽吗?
Is the weather in Dalian that in Dandong?
窗户旁边有一架钢琴.
There is a piano .
我想邀请他参加我们的俱乐部.
I want to join our club.
Though I can't watch my favorite program tonight,it's not a big deal.
You are supposed to ask your teacher for help.
It serves you right.