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THE X-RAY _____IN 1895. A. SAID TO DISCOVER B. SAI...
THE X-RAY _____IN 1895. A. SAID TO DISCOVER B. SAID TO HAVE BEEN...
File thứ 2: anhkhoi12_1311201715
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19. The X-ray _____in 1895.
A. said to discover
B. said to have been discovered
C. is said to have been discovered
D. is said to be discovered
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19.
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File thứ 2: anhkhoi12_1311201715