Choose the best answer.
I __________ what teacher _________ in the last lesson.
didn’t understand/said
didn’t understood/said
understand/say
understood/say
last lesson: bài học trước
Câu trên diễn tả hành động đã xảy ra trong quá khứ nên ta dùng thì quá khứ đơn
=> I didn’t understand what teacher said in the last lesson.
Tạm dịch: Tôi đã không hiểu những gì giáo viên nói trong bài học trước.
Đáp án : A
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