问题
选择题
34．It happened so fast. _______she had time to realize what was happening, she was struck on the head by a vase.
A．Before
B．When
C．Since
D．As
答案
答案：C
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34．It happened so fast. _______she had time to realize what was happening, she was struck on the head by a vase.
A．Before
B．When
C．Since
D．As
答案：C