Question

My great-grandfather ... a Master's degree in Engineering before World War II started. O had given O had taken O had done O had received * 1 бал

Answer 1

My great-grandfather had received a Master's degree in Engineering before World War II started.

Answer 2

My great-grandfather had received a Master's degree in Engineering before World War II started.

Answer 3

It is impressive that your great-grandfather obtained a Master's degree in Engineering before World War II started. To express this accomplishment, you can say that your great-grandfather had received a Master's degree in Engineering before the war began.

**Source:*