we can have ___bluer sky if we create_____ less polluted world.A.a,a B.a,the C.the ,a D.the,the为什么不选the,sky和world都只一个表特指啊?

we can have ___bluer sky if we create_____ less polluted world.A.a,a B.a,the C.the ,a D.the,the为什么不选the,sky和world都只一个表特指啊? 名词有形容词来修饰它们,这样就应选不定冠词a或an吗we can have ___bluer sky if we create_____ less polluted world.A.a,a B.a,the C.the ,a D.the,the如果不是的话,那么这道题如何选呢, We can never have yesterday. Can we have our ball We have no coffee.Can we have tea instead?翻译 what can we have in the party? we can have better views on life we can have better views on left then we have time we can chat中文是什么 翻译we have fingers .we can write with ____(they) so we have something that we can't We should devote everything we have.should 能不能换成can? only when we find the crest can we have a new rulercan 能否去掉 或者变成 we can have we can have lunch at our school(改为祈使句) Can we have any writing paper?修改病句 can we have _______meat a any some a any some Can you belive that we have the same we,can,have,a lot of fun.连词成句急!