对不起，我不小心打翻了你的咖啡。

I'm ___sorry for accidentally spilling your coffee.

听说你受伤了，我很难过。

I feel really ___sorry to hear that you got injured.

抱歉，但我觉得你的答案不太正确。

___Sorry, but I believe your answer isn't quite right.

抱歉，你能再说一遍吗？

___Sorry, could you repeat that?