Trắc nghiệm: By the end of the 21st century. scientists _____________ a cure for the common cold. | Gửi trắc nghiệm |
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By the end of the 21st century. scientists _____________ a cure for the common cold.
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Tô Hương Liên - 06/09 20:49:55
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. By the end of the 21st century, scientists _____________ a cure for the common cold. (Tiếng Anh - Lớp 12)
Nguyễn Thị Thảo Vân - 02/09 11:39:08