摘要： The Internet celebrated its birthday on September 2nd, by which time 40 years since the first successful transfer of data between two computers. A. has passed B. had passed C. passed D. have passed
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The Internet celebrated its birthday on September 2nd, by which time 40 years _______ since the first successful transfer of data between two computers.
A. has passed B. had passed C. passed D. have passed
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The Internet celebrated its birthday on September 2nd, by which time 40 years _______ since the first successful transfer of data between two computers
- A.has passed
- B.had passed
- C.passed
- D.have passed
The Internet celebrated its birthday on September 2nd, by which time 40 years _______ since the first successful transfer of data between two computers.
A. has passed B. had passed C. passed D. have passed
查看习题详情和答案>>
The Internet celebrated its birthday on September 2nd, by which time 40 years _______ since the first successful transfer of data between two computers.
| A．has passed | B．had passed | C．passed | D．have passed |