Choose the underlined part that needs correction: The world is becoming more (A) industrialized and the number of animal (B) speci

Câu hỏi :

Choose the underlined part that needs correction: The world is becoming more (A) industrialized and the number of animal (B) species that have become (C) extinct (D) have increased.

A. industrialized

B. species

C. extinct

D. have

* Đáp án

D

* Hướng dẫn giải

have increased => has increased, vì the number of + Ns: chỉ số lượng….. => động từ theo sau phải chia ở dạng số ít.

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