问题描述：
1、 to his mother,he looked after her day and night when she was ill.
1、_____ to his mother,he looked after her day and night when she was ill.
A：Devoted B：Devoting C：To devoted D：Being devoted
1、_____ to his mother,he looked after her day and night when she was ill.
A：Devoted B：Devoting C：To devoted D：Being devoted
问题解答：
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