问题
选择题
_______that I could use a kite to attract lighting, I decided to do an experiment.
A．Having realized.
B．Realize
C．To realize
D．Realized.
答案
答案：A
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_______that I could use a kite to attract lighting, I decided to do an experiment.
A．Having realized.
B．Realize
C．To realize
D．Realized.
答案：A