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Câu hỏi:
Choose the correct answer: While I __________ the performance, I met one of my old friends.
- A. watched
- B. was watching
- C. watch
- D. am watching
Lời giải tham khảo:
Đáp án đúng: B
Cấu trúc về While
While + S + was/were + Ving, S + V2/ed.
Chọn B
Câu hỏi này thuộc đề thi trắc nghiệm dưới đây, bấm vào Bắt đầu thi để làm toàn bài
YOMEDIA
Hướng dẫn Trắc nghiệm Online và Tích lũy điểm thưởng
CÂU HỎI KHÁC
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