谢谢你帮我拿行李。

___Thank you for helping me with the luggage.

“谢谢，不用了。”他礼貌地拒绝了第二块蛋糕。

"___Thank you, but no more for me," he politely declined the second piece of cake.

你把咖啡洒在我新衣服上时，她冷冷地说了句“真是谢谢啊”。

When you spilled coffee on my new dress, she said "___Thank you very much" with a cold tone.