Question

[Lê Quỳnh Anh]

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

People (A) who work (B) involves (C) standing for most of the day often suffer (D) from backache.

A. who

B. involves

C. standing

D. from

Answer 1

[Dương Hoàn Anh]

Đáp án: A