Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions He will have to __________and work harder or he’ll fail the exam .

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

He will have to __________and work harder or he’ll fail the exam .

pull his socks up

polish his head

empty his washing basket

stick his neck out

Giải thích

Kiến thức về thành ngữ

Pull his socks up = nổ lực cải thiện công việc