求速度！-------正确形式填空

解题思路： 用正确形式填空    — Look! The strange light in the sky   ________  ( die down )    — Yes! Let's take a few photos as qiuckly as we can .
解题过程：
用正确形式填空
— Look! The strange light in the sky is dying down ( die down )
— Yes! Let's take a few photos as qiuckly as we can .
最终答案：