Choose the letter A, B, C or D to complete the passage below
"To make matters even more interesting some researchers suggest that Elisha Gray, a professor at Oberlin College, applied for a caveat of the telephone on __________ (1) same day Bell applied for his patent of the telephone- these gentlemen didn’t actually visit the Patent Office, their lawyers did __________ (2) their behalf. In Historical First Patents: The First United States Patent for Many Everyday Things (Scarecrow Press, 1994), Travis Brown, reports that Bell’s lawyer got to the patent office first. The date was February 14, 1876. He was the fifth entry of that day, __________ (3) Gray’s lawyer was 39th. Therefore, the U.S. Patent Office ___________ (4) Bell with the first patent for a telephone, US Patent Number 174,465 rather than honor Gray's caveat. _________, (5) some authors dispute this story and suggest that there was malfeasance by certain individuals at Patent Office, and possibly Bell himself."
3. He was the fifth entry of that day, __________ (3) Gray’s lawyer was 39th.
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Lời giải:
Báo saiĐáp án: B
Giải thích: while nối 2 vế tương phản về nghĩa
Dịch: Ông ấy là người đăng kí thứ 5 trong ngày, trong khi luật sư của Gray đăng kí thứ 39.