There has been growing public concern about the use of chemicals in food                                        recently.

Câu hỏi :

There has been growing public concern about the use of chemicals in food                                        recently.

A conservation    

B preservation 

C protection  

D reservation

* Đáp án

B

* Hướng dẫn giải

Phương pháp giải:

Copyright © 2021 HOCTAP247