注意：此页面搜索的是所有试题
题目内容
（延安大学大学英语）
(单选题) The doctors did what they could _______ her. ( )(本题3.5分)
A、 helping
B、 help
C、 helped
D、 to help
A、 helping
B、 help
C、 helped
D、 to help
参考答案
