This colorless gas is called oxygen,___ ___ fires burn much betterwhich ,可以填with which吗

This colorless gas is called oxygen,___ ___ fires burn much betterwhich ,可以填with which吗 colorless colorless 2._______ the gas shortage,I’m going to buy a compact car this year.A.InfrontofB.InplaceofC.IntermsofD.Inviewof gas gas i like wood better gas 改为问句 this poisonous gas was quickly building up 中building up I want to know where this gas box was shipped to这句话中句尾的to要加吗?还是直接说I want to know where this gas box was shipped?类似的can you tell me where you will go 这句话句尾不加 to where 引导的陈述句要介词吗? 3个英语问题 1.The past / last few decades has seen great changes in China.这里的has 是不是用错拉?不是要用have 2.The colorless gas is called oxygen ,in which fires burn much better.这里的in which 可以用 with which 3.When offere I like charcoal better than gas.用charcoal提问 with the okay.Again I nor gas you. with the okay.Again I nor gas you.翻译 I like electricity better than gas.改同义l electricity gasI like electricity better than gas.改同义 Yesterday was my stepmother’s birthday.I haven’t been home for a long time,so I wanted to stop by the house to 36 her on this special day.I have been 37 on a low income so I was afraid that I couldn’t afford the long 38 .Gas is so expensive now 英语翻译Bill and I got married,following our first bornDaddy left this gas and convenience store,just before he diedAnd I was only 19 when I had my third baby,Sometimes I think maybe I should have left here long agoTravellers are stopping by,chec The impurities are washed out with methanol,I think,before this gas is sent on to reactors where it’s changed into oil.It be many years before this problem be solved.在这个问题被解决之前过去了许多年It won’t be long till this new t that area is rich in natural gas,----------- this place isn't.A.unlessB.althoughC.whileD.if