Log in

Choose the best sentence for blank (39).

About this question

This question belongs to "Đề Thi Thử Tốt Nghiệp Tiếng Anh 2026 Sở GD Bắc Ninh Lần 2" on Học Mỗi Ngày. Review the answer, solution, and related items in the same set to study more effectively.

Question detail

Choose the best sentence for blank (39).

A

whose focused and sustained effort helps to improve performance over time

B

which involves focused and sustained effort to improve performance

C

involved in focused and sustained effort to improve performance effectively

D

which involves focused and sustained effort, improving performance over time

Related questions