"How many books did you buy last weekend?" asked my mother.
A. My mother asked me how many books had I bought the last weekend.
B. My mother asked me how many books did I buy the last weekend.
C. My mother asked me how many books I had bought the previous weekend.
Giải bởi Vietjack
Giải thích:
"Cuối tuần trước con đã mua bao nhiêu cuốn sách?" mẹ tôi hỏi.
A. Sai ngữ pháp (sửa had I bought → I had bought; the last weekend → the previous weekend)
B. Sai ngữ pháp (sửa did I buy → I had bought; the last weekend → the previous weekend)
C. Mẹ tôi hỏi tôi đã mua bao nhiêu cuốn sách vào cuối tuần trước.
D. Sai ngữ pháp (sửa I bought → I had bought)
→ Chọn đáp án C
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