问题描述：
that is ok能回答对不起和谢谢吗
还有that is all right not at all you are welcome这些都能回答吧?
还有that is all right not at all you are welcome这些都能回答吧?
问题解答：
我来补答展开全文阅读
问题描述：
问题解答：
我来补答