Question

 Your bag is the same as mine

=> Your bag is not ____________________________________________.

 They began studying English three years ago

=> They have ________________________________________________

 

Answer 1

 Your bag is the same as mine

=> Your bag is not diffirent from mine    ____________________________________________.

 They began studying English three years ago

=> They have been studying English for 3 years     ________________________________________________

Answer 2

your bag is not different from mine

they have studied English for three years 

Answer 3

your bag is not different from mine

they have studied English for three years 

Answer 4

Your bag is not as different as mind.
They have studied English for 3 years.