The girl devoted all her time she had poor children.A. to helpB. helpingC. helpedD. to he

问题补充：

The girl devoted all her time she had poor children.

A. to help

B. helping

C. helped

D. to helping

答案：

A. to help

B. helping

C. helped

(答案→)D. to helping

解析：短语devote to将……奉献给，to是介词，后面接名词或者动名词做宾语，故选D。