due to, owing to, thanks to, because of四个成语介词表示“因为”、“由于”，但他们在用法上有区别。
- because of用在句首或句子后面，表示原因。例如：
It was all because of your necklace, your beautiful necklace.
Because of the heavy rain, the sports meet has been put off.
I came late because of the heavy rain.
They are here because of us.
He walked slowly because of his bad leg.
2.due to sth/sb:由某人[某事物]引起的；由于某人[某事物] 例如：
The team’s success was largely due to her efforts.
Her failure in the speech contest was due to her nervousness.
They arrived late due to the storm.
- owing to:由于；因为
Owing to the rain, the meeting has to be put off.
I couldn’t attend the meeting owing to illness.
owing to与 due to的用法基本相同，但与because of 的用法有些差别。一般说来，owing to 只
You mustn’t punish the child because of such a small mistake.
- thanks to 由于，因为；幸亏，多亏常位于句首，表感谢或讽刺意味。例如：
Thanks to your help, we finished the work head of time.
Thanks to the bad weather, the match had been put off.