Oil spills/ having/ are/ a devasting/ coral reefs/ on/ in the ocean.

A. Oil spills having a devasting corals reefs are effect on in the ocean.

B. Oil spills are having effect on a devasting coral reefs in the ocean.

C. Oil spills are having devasting effect on a coral reefs in the ocean.

D. Oil spills are having a devasting effect on coral reefs in the ocean.

Bài tập Trắc nghiệm Tiếng Anh 12 - Unit 6: Endangered species (Writing)