问题标题:
Areyou------(will)tosingasongforthem?
问题描述:
Areyou------(will)tosingasongforthem?
冯新宇回答:
willingadj.心甘情愿的
bewillingtodosth甘愿/愿意/心甘情愿做某事
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Areyou------(will)tosingasongforthem?