IF WE DON'T PROTECT THESE RARE SPECIES, THEY ________ BY 2030S. A....

Question

12. If we don't protect these rare species, they ________ by 2030s. A. die out      B. will die out   C. will have died out    D. have died out

Answer

12. If we don't protect these rare species, they ________ by 2030s. A. die out      B. will die out   C. will have died out    D. have died out