Ex2. Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Câu hỏi

Before she sent her resume to the company, she _____ it carefully for mistakes.

A. had checked

B. checked

C. checks

D. has checked

Đáp án
A. had checked

Câu hỏi thuộc Bài tập:

ENGLISH 9- 26/12/2025