根据提示填空(每空一词)
昨天吃了药之后他背部的疼痛逐渐消失了。
The pain in his back ____ ____ after he took the medicine yesterday.
答案
died,down
知识点:动词短语 动词时态:一般过去时

die down意为“逐渐变弱;逐渐消失”。由yesterday可知时态为一般过去时,所以die用过去式died。答案为died down。

略
