Choose A, B, C, or D to indicate the sentence which is the most correct. I / making a presentation / when / the microphone / stopped working / last week.

16/20

Choose A, B, C, or D to indicate the sentence which is the most correct.

I / making a presentation / when / the microphone / stopped working / last week.

I was making a presentation when the microphone stopped working last week.

I made a presentation when the microphone was stopped working last week.

I am making a presentation when the microphone stopped working last week.

I was making a presentation when the microphone stop working last week.

Giải thích

Đáp án đúng: A

Giải thích: Thì quá khứ tiếp diễn + quá khứ đơn: was making ... stopped working → diễn tả hành động đang diễn ra thì một hành động khác xen vào.

Dịch nghĩa: Tuần trước, tôi đang thuyết trình thì micro bị hỏng.