if you smell gas in your house,you have to act immediately.you() not delay.为什么不是could ,will must,而是might?

if you smell gas in your house,you have to act immediately.you() not delay.为什么不是could ,will must,而是might? If you smell gas in your house, you have to act immediately. you ( ) not delaycould might must will 答案是could 为什么 if you smell what me cooking If you smell what the rock is cooking是什么意思TAT If You Smell What The Rock Is Cooking是什么意思 If You Smell What The Rock Is Cooking是什么意思 If you don't pay your gas bill soon,you will be cut off .怎么译 When I silently beside you,from you to remember that if a familiar smell 翻译 Did you smell anything? that area is rich in natural gas,----------- this place isn't.A.unlessB.althoughC.whileD.if stop and smell the rose if you do the life,is,beaufui是什么寓意 怎么翻译If you always stop to smell the roses, sooner or later you will inhale a bee? explain how electricity is generated in a gas-fired power stationIn English,thank you! if you lost in the 那位大神英语好的,Smell boy still love you in Little fellow ,stands in the middle.Without it,you can′t smell.What is it? Your sweet moonbeam,the smell of you in every single dream I can you smell the bubbles?