Although everyone tried his or her best to find solutions ,the problem remained_________A to solve B unsolving C unsolved D solving

TR although Although the dinning hall is crowded_____ students at mealtime,everyone is so polite and queues______the meals. 求翻译成中文,Although everyone wants to succeed in what he tries to do He works just as hard as everyone else although he is over sixty. Everyone Dream is like underwear .Although you have it,you can not show it to everyone you meet 翻译：Drem is like underwear,although you have it,you can not show it to everyone you meet. TR是什么意思 tr是什么意思 even if和although用法的不同?____there is enough food in the world for everybody,not everyone can afford to buy it.A.Although B.Even if.谁能告诉我为什么不能选B以及它们的区别. Although everyone wants to succeed in what he tries to do,life isn't a bed of roses.的翻译是? Although everyone tried his or her best to find solutions ,the problem remained_________A to solve B unsolving C unsolved D solving He works just as hard as everyone else although he is over sixty.这里just 为什么在work后面,不可以说he just work吗 tr-100 ,tr-150 ,tr-200 有什么不同? tr tr dr dr怎样读 ＿he was in poor health,he worked just as hard as everyone else.＿he was in poor health,he worked just as hard as everyone else.A.But B.Although C.Even if D.IfB和C为什么感觉都可以呢?怎么分although和even if?求教.谢. 面料TR什么意思