1、感谢：thank.
2、我得写信感谢玛丽送给我这份礼物。I must write and thank Mary for the present。
3、感谢你对我这么坦诚。Thank you for being so honest with me。
4、感谢赠我这份礼物，这正是我想要的。Thanks for the present ─ it‘s just what I wanted。