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
Mary found it hard to concentrate on her work because the noise
A. because the noise
B. it hard
C. work
D. to concentrate
Đáp án : A
Because + mệnh đề. Because of + N/Ving. Sửa A -> because of the noise
Đáp án : A
Because + mệnh đề. Because of + N/Ving. Sửa A -> because of the noise