你要确保在睡觉前关好煤气.___ ___ you have ___ ___the gas before you go to bed.
问题描述：
你要确保在睡觉前关好煤气.___ ___ you have ___ ___the gas before you go to bed.
答
Make sure turn off
你要确保在睡觉前关好煤气.___ ___ you have ___ ___the gas before you go to bed.
Make sure turn off