________all the workers in the company, they talked to the manager in person.

Câu hỏi :

________all the workers in the company, they talked to the manager in person, asking for a better working condition.

A. At the expense of

B. On behalf of

C. Instead of

D. In the aspect of

* Đáp án

* Hướng dẫn giải

1.             Đáp án là B. On behalf of : đại diện cho. ...

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