______ in this national park declined from a few thousand to a few hundred in 10 years.

Câu hỏi :

______ in this national park declined from a few thousand to a few hundred in 10 years.

A That the number of tigers     

B The number of tigers

C For a number of tigers    

D A number of tigers

* Đáp án

B

* Hướng dẫn giải

Phương pháp giải:

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