Teachers's Day is on Dec.10th.一句中on要不要加?

Teachers‘s Day is （on September 10th）.对括号部分提问 （ ）（ ）Teachers Teachers'Day is on september 10th.改错 Teachers‘s Day is （on September 10th）.对括号部分提问 （ ）（ ）（ ）Teach Mun told me Teachers day is on september 10th转换为间接引语 一、改变句型：1.The teachers’ day is on the 10th of September.（划线提问 Teachers Day is on the t of S teachers'day is on the t( ) of s( ) (teacher) Day is on September 10th My birthday is February 2th 到底要不要加on school day is (on october 10th).对括号部分提问 my grandfather is (s September 10th is ( ) Teachers'Day. September 10th is ()Teachers'Day.