6/12/21 Câu hỏi: Mark the letter A, B, C or D to indicate the correct answer to each of the following questions. I made sure I had all the facts __________my fingertips before attending the meeting. A. with B. at C. by D. for Lời giải Ta có cụm từ: At one's fingertips: trong tầm tay Đáp án B. Click để xem thêm...
Câu hỏi: Mark the letter A, B, C or D to indicate the correct answer to each of the following questions. I made sure I had all the facts __________my fingertips before attending the meeting. A. with B. at C. by D. for Lời giải Ta có cụm từ: At one's fingertips: trong tầm tay Đáp án B.
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