UNLESS THIS BIODIVERSITY WERE MAINTAINED, MARINE LIFE WOULD BE AT ST...

Câu 38: Unless this biodiversity were maintained, marine life would be at stake.

A. If this biodiversity were maintained, marine life would be at stake.

B. If this biodiversity weren’t maintained, marine life would be at stake.

C. If this biodiversity were maintained, marine life wouldn’t be at stake

D. If this biodiversity weren’t maintained, marine life wouldn’t be at stake.