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Due to ever more spreading poaching, there ______ a dramatic decline in the number of elephants over the last decade.  

Due to ever more spreading poaching, there ______ a dramatic decline in

Câu hỏi

Nhận biết

Due to ever more spreading poaching, there ______ a dramatic decline in the number of elephants over the last decade.
 


A.
was
B.
is
C.
 has been
D.
had been
Đáp án đúng: C

Lời giải của Luyện Tập 365

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