第1个回答 2008-09-21
we have a seven days'vocation.本回答被提问者采纳
第2个回答 2008-09-21
we had/will have a seven-day holiday
第3个回答 2008-09-21
WE have seven days off
第4个回答 2008-09-21
We have (a) seven days'vocation .
We have a seven-day vocation .
We have seven days off .