A/ AN _________IS A PERSON WHO IS TRAINED FOR TRAVELLING IN A SPACE...

8. - DE CO DAP AN KIEM TRA KI 2 ANH 11 DEDAP AN KIEM TRA KY 2 E11
DE CO DAP AN KIEM TRA KI 2 ANH 11 DEDAP AN KIEM TRA KY 2 E11
8. A/ An _________is a person who is trained for travelling in a spacecraft. A. engineer B. scientist C. astronaut D. technical