造一些句子25say good-bye to sb begin to do sth begain…with…thank

I want to say good-bye to my friends because I'll leave for Beijing tomorrow.因为我明天要去北京,所以我想要和朋友们告别.
please say good-bye to your cousin for me.请带我向你的表弟告别.
let's begin to do housework.让我们开始做家务吧.
we began the party with a song.我们以一首歌开始了这个派对.
thank you for your help .感谢你的帮助.
thank you for inviting me.谢谢你邀请我.
we had fun playing soccer.我们踢足球很高兴.
I have a good time here.我在这里很开心.
we went a birthday party and enjoyed ourselves.我们去参加一个生日派对并且玩的很开心.