we should be able to catch thembe able to should 能不能换成can

we should be able to catch thembe able to should 能不能换成can we should be able to fit you in this friday. we believe that all children should be able to get a good ( )(教育)填正确形式 We should try to help the ——(able)people and they should be treated as normai persons equally we should keep up with the development of science,or we will not be able to make progress英译中哇 we will never be able to翻译 we hoped that we (should be able to do) that.改写括号内部分,保持句意基本不变We hoped that we () () that. we should try our best to help the_____(able)people should和be able to能连用吗 Only in this way can we be able to...这里 can 和 be able to 英翻译中 We should keep up with the development of science ,or we will not be able to make progress we should be kind to animals .we should ___ ___animals If we had wings we would be able to fly like birds3.If I ___wings like a bird,I___be able to fly in the sky.A.have;should B.had;would C.would have;will D.had;can( )维森么选B We must be able to flee the city We must be able to flee the city We should be friendly to ------.(other ) 英文语法：be动词和助动词有什么区别?一个虚拟语气句子：If there was no gravity, we should not be able to walk,该句是错的,应该写成:If there were no gravity, we should not be able to walk.还有同种情况的句子：If 一道四级题!The experiment is very expensive.But _____succeed,we would be able to make production more efficient.A.should we B.were weC.would we D.if we应该选哪个?为什么?