问题
选择题
It took my father half an hour to finish ____ my bike.
A．repairing
B．repair
C．to repair
D．repaired
答案
答案：A
固定用法。Finish doing sth做完某事；
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It took my father half an hour to finish ____ my bike.
A．repairing
B．repair
C．to repair
D．repaired
答案：A
固定用法。Finish doing sth做完某事；