5000 câu trắc nghiệm Tiếng Anh 9 có đáp án - Phần 89
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I could not ______ it even though I had wanted to do so. a. had bought b. buy

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I could not ______ it even though I had wanted to do so.

had bought

buy

buying

have bought

Giải thích

Chọn đáp án D