- 搜标题
- 搜题干
- 搜选项
单项选择题
No sooner ____ than the canary flapped its wings, flew out and vanished into the air.
A．George opened the cage
B．did George open the cage
C．George opened the cage
D．had George opened the cage
B．did George open the cage
C．George opened the cage
D．had George opened the cage
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