we are a team这样说对不对?

we are a team这样说对不对? we are a team还是we are the team? you are a boy(girl)等等这样说对不对 We are a team这篇文章的内容 这样用对不对these black hats are on sale. We have pants at a sale we are a team这句话语法有问题吧? we all knows there are eleven p____in a football team. We are all working as a team and as a result we are achievin 求we are team 带音标版 We are playing a--------- No.2 Middle School Football Team 横 We are a team.这句英语有没有语法错误?错在哪里? 这样回答对不对：A：How many months are there in a year?B：It's twelve