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Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
"What did you eat for dinner last night?" asked my friend.
A. My friend asked me what I ate for dinner the previous night.
B. My friend asked me what did I eat for dinner last night.
C. My friend asked me what I had eaten for dinner the previous night.
D. My friend asked me what had I eaten for dinner last night.
"What did you eat for dinner last night?" asked my friend.
A. My friend asked me what I ate for dinner the previous night.
B. My friend asked me what did I eat for dinner last night.
C. My friend asked me what I had eaten for dinner the previous night.
D. My friend asked me what had I eaten for dinner last night.
Giải thích: Để chuyển câu hỏi gián tiếp sang câu tường thuật, ta cần sử dụng câu gián tiếp và thay đổi thì và các từ hỏi trong câu. Trong trường hợp này, ta cần thay đổi thì từ quá khứ đơn sang quá khứ đơn hoàn thành vì hành động ăn đã xảy ra trước khi bạn nói với người khác.
Đáp án C.