20 câu Trắc nghiệm Tiếng Anh 12 Cánh diều Chuyên đề 15: Câu gián tiếp (Reported speech)
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When he was at Oliver's flat yesterday, Martin asked if he ________ use the phone. A. can B. could C. may D. must

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When he was at Oliver's flat yesterday, Martin asked if he ________ use the phone. 

can

could

may

must

Giải thích

Chọn đáp án B