英语语法请哪位高手帮帮忙看看下面的三个句子有没有语法错误,急用呀 谢谢(1)Although the fight aga

英语语法
请哪位高手帮帮忙看看下面的三个句子有没有语法错误,急用呀 谢谢(1)Although the fight against it is long-standing and tremendous one,our efforts will eventually pay off.
(2) Only when you attention to it can you see a colorful and harmonious future better sooner or later.
(3)There is no doubt that its symbolic meaning subtly conveyed should be given deep consideration.
（1）Recent few years has witnessed a phenomenon of （一个社会现象） which seems to be disastrous to individual survival and prosperity.
(2)This phenomenon of （一个社会现象）should be condemned severely or made illegal.
(3)There is no doubt that its symbolic meaning subtly conveyed should be given deep consideration.
(4)From what have been discussed above,it is therefore,necessary that some effective measures are taken to prevent（一个社会现象）.
(5)On the one hand,we should be sensible to strengthen the enforcement of the laws to protect something.
(6)On the other hand,it is demanding for us to keep people aware of the importance of saving somebody out of the evil hands of destruction.