——was the Nanjing-Changjiang Bridge open to traffic?——It was open to traffic in 1968.A. Wh

发布时间：2020-08-15 02:45:43

——    was the Nanjing-Changjiang Bridge open to traffic?
——It was open to traffic in 1968.
A. What
B. What time
C. How long
D. When

网友回答

A. What
B. What time
C. How long
(答案→)D. When
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