He made one last futile effort to convince her and left home. A. favorable B. difficult C. ineffectual D. firm

Câu hỏi :

He made one last futile effort to convince her and left home.

A. favorable

B. difficult

C. ineffectual

D. firm

* Đáp án

* Hướng dẫn giải

futile = ineffectual (a) không hiệu quả
Chọn đáp án C

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