Chọn câu đúng.
65/104
Chọn câu đúng.
Kien had translated this text before he went out last night.
Kien translated this text before he went out last night.
Kien had translated this text before he had gone out last night.
Kien translated this text before he had gone out last night.
Giải thích
Chọn đáp án: A