What________ (you/do) at 8 p.m yesterday?
A. did you do
B. were you doing
C. do you do
D. have you done
Dấu hiệu: Trạng từ “at 8 p.m yesterday” (vào lúc 8h tối qua) =>Dùng thì quá khứ tiếp diễn.
Cấu trúc: Wh-words + was/ were + S + Ving?
=>What were you doing at 8 p.m yesterday?
Tạm dịch: Bạn đang làm gì lúc 8 giờ tối hôm qua?
Đáp án cần chọn là: B
While we ................................. in the park, Mary fell over.
Choose the best answer.
At this time last year, I _______(attend) an English course.
While my father ________(read) books, my brother ________(listen) to music.