make sure that the electricity is turned off and the windows are shut up为什么用make sure啊?
问题描述：
make sure that the electricity is turned off and the windows are shut up为什么用make sure啊?
请详细一点 谢谢
答
因为make sure是确保的意思时态方面因为这是祈使句，所以要用动词原形make sure！！哦