Câu hỏi: Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.
On Discovery Channel last night, they showed an informative program about new innovations in medical imaging, which you would have found interesting.
A. On
B. they showed
C. medical imaging
D. would
On Discovery Channel last night, they showed an informative program about new innovations in medical imaging, which you would have found interesting.
A. On
B. they showed
C. medical imaging
D. would
sai vì không rõ "they" ở đây là ai. Sửa lại thành "there was"
Đáp án B.