18.Tigers_______ become one of the endangered species in the world.
(A)which are one of the fiercest animals
(B) which are one of the fiercest animals
(C) what are one of the fiercest animals
(D) that are one of fiercest animals

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統計： A(18), B(13), C(1), D(4), E(0) #2513705

kittychang12

B1 · 2021/05/30

#4761407

B選項若前面有逗點，應該後面也需要有逗點吧???

Tigers, which are one of the fiercest animals, become one of the endangered species in the world.