问题
选择题
The girl devoted all her spare time she had ___ others.
A．to help
B．helped
C．to helping
D．help
答案
答案：C
本句的结构是：devote oneself/energy/time to doing sth.
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The girl devoted all her spare time she had ___ others.
A．to help
B．helped
C．to helping
D．help
答案：C
本句的结构是：devote oneself/energy/time to doing sth.