It's September the 应该填写twelfth还是twelveth

It's September the 应该填写twelfth还是twelveth It ( ) September twelfth yesterday (not be) what is the twelfth month? It is__________. A.September B.No December is __month of the year.A.the twelfth B.the twelveth What's the ( ) today? -------It's October twelfth What ( ) i september twelfth什么意思 --- _______?---It' s on the twelfth,Friday.A.How is it going When is Teachers'Day?It's September the tenth. Who's ( ) baby in the photo?Is( )you?第一个填写a还是the第二个填写it还是she It's September 21st. what day is it today?it s the second of September改错,两个 it was cloudy () the night of september 1. 括号里应该填哪个介词