问题
选择题
68. When the boy playing by the river fell into the river, I was out of the room _______.
A．in flash
B．in a flash
C．as a flash
D．for a flash
答案
答案：B
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68. When the boy playing by the river fell into the river, I was out of the room _______.
A．in flash
B．in a flash
C．as a flash
D．for a flash
答案：B