The purpose of a labour union is to improve the working conditions, ______, and pay of its members.

Câu hỏi :

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. 

A. jobs are secure

B. to be secure

C. the job’s security

D. job security

* Đáp án

* Hướng dẫn giải

Đáp án : D

Cụm từ: job security: an toàn trong công việc

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