You often help me with my math.thank you(合并为一句)

问题描述:

You often help me with my math.thank you(合并为一句)
they are on vacation in Chengdu(对划线部分提问)
Our English teacher is in a red coat today.(同义句转换)

thank you for helping me with my math
where are they on vacation
our English teacher dresses in a red coat today