填入下面文段空白处的词语，最恰当的一组是① 要继承和弘扬中华优秀传统文化② 这是创造中华文化新辉煌的必然要求。中国自近代以来，不少知识分子对自己的传统文化失去自信，主张学习西方 ③ 必须全盘照搬，文化发展上也是如此。直至今天，④ 有一些人持这种观点。其实，⑤ 坚持从历史走向未来，⑥ 从延续民族文化血脉中开拓前进，我们才能做好今天的事业。 ①②③④⑤⑥

The policeman put down the phone, ______ with a smile on his face.

Had we been more careful, the accident might not have happened— But we _____ at that time

What’s _________ matter with your mother— She has _________ bad cold.

Taking medicine only gives you _______ relief from pain, so I suggest you have an operation.