You sit next to me...?
A) didn't you?
B) dont you?
C) do you?​

don't you?

Объяснение:

времена должны сохраняться, так правильно

his / her birthday is in october.

he / she likes her birthday.

he / she invited guests to her birthday party - он/онапригласилгостейнаденьрождение

the guests will come in the evening. they’ll give him / her cards and presents.

-our organise wants to   protect the environment.

-we fight against water and air    pollute

-are you unhappy with the ecological situate  in your region?  

-send us some inform about it and we`ll try to help.