Is teacher's day in September应该怎样做肯定回答?

Is teacher's day in September应该怎样做肯定回答? When is Teacher's Day It's September 10th.这个回答里面为什么September The Teacher’s Day is（）September. When is Teacher's Day ? It's September 10th.这个回答里面为什么Septemb September 10 is ( ) (teacher) Day Teacher's Day is --- the -------of the September. september 10th is [ ](teacher)Day. (teacher) Day is on September 10th when is Teacher's day?怎么回答 when is Teacher\'s day?怎么回答 is your mother's birthday in september in september?(作否定回答） Is Teacher' Day on September 10th?(按实际回答)