一些废话。A bit of nonsense.

I am going to tell a story. Because I want to practice .
我想讲一个故事，因为我想练习。
So then, in my opinion, it is better to live in a nation where people are polite, and there is freedom and toilets.
所以。 我的观点是，居住在一个有礼貌，有信仰自由，有卫生间（that's funny^_^）的国度是很好的。
Also where they do not need parachutes or mosquito nets.
而且在这里他们即不需要降落伞也不需要蚊帐(are you sure?)
Do you agree?
你同意吗?
It is true that today the sky was light blue and it was sunny.

（true：的确，带有感叹与肯定的意思）译：今天确实天空（明朗）（湛蓝），（晴空万里）。
Dinner was not bad.
晚饭很不错.
I listened to music on my headset while drinking my second glass of beer.
一边在耳机里听着音乐，一边喝我的第二杯啤酒。

废话有点。A bit of nonsense.

I am going to tell a story. Because I want to practice .
我想讲一个故事。因为我想练习。
So then, in my opinion, it is better to live in a nation where people are polite, and there is freedom and toilets.
所以。 我的意见观点是 它是更最好居住在一个这样的国家：民族在 那里的人们客气有礼貌 和有自由 和洗手间。
Also where they do not need parachutes or mosquito nets.
也并且他们不需要降落伞，或 蚊帐 在哪里。
Do you agree?
你同意吗?
It is true that today the sky was light blue and it was sunny.
这是真相的。今天的天空是浅蓝色的天空今天， 和晴朗的。
Dinner was not bad.
晚饭是不错.
I listened to music on my headset while drinking my second glass of beer.
当我用耳机听音乐时在耳机我喝第二杯的啤酒。

I agree on the toliet stuff.

废话有一点无稽。A bit of nonsense. [This suits better to your context.  废话 is more like babbling in nonsense]

I am going to tell a story. Because I want to practice .
我要讲一个故事因为我想要练习。 [I wanted to tell a story because I wanted some practice]
So then, in my opinion, it is better to live in a nation where people are polite, and there is freedom and toilets. 以我看法, 最好住在 人民有客义, 有自由 和有洗手间的囯家
所以。 我的意见是 它是更好居住 一个民族在 那里的人们客气 和有自由 和洗手间。
Also where they do not need parachutes or mosquito nets.
那儿也他们不需要有降落伞，或 蚊帐 在哪里。
Do you agree?
你同意吗?
It is true that today the sky was light blue and it was sunny.
这是真相的。今天天色浅蓝色的天空今天， 和温晴。 here's an expression for this kind of weather, 风和日丽
Dinner was not bad.
晚饭是不错.
I listened to music on my headset while drinking my second glass of beer.
一辺在当我听音乐耳机听音乐一辺我喝我第二杯的啤酒。

一点废话。A bit of nonsense.

I am going to tell a story. Because I want to practice .
我要讲一个故事。因为我想练习。
So then, in my opinion, it is better to live in a nation where people are polite, and there is freedom and toilets.
所以。 我的想法是 最好是居住一个国家，那里的人们有礼貌，那里有自由和洗手间。
Also where they do not need parachutes or mosquito nets.
而且 他们不需要降落伞，或 蚊帐。
Do you agree?
你同意吗?
It is true that today the sky was light blue and it was sunny.
这是真的。今天的天空是 浅蓝色的， 阳光 明媚。
Dinner was not bad.
晚饭不错.
I listened to music on my headset while drinking my second glass of beer.
我用耳机听音乐当我喝第二杯啤酒的时候。 the proper sequencewould be: 当我喝第二杯啤酒的时候 我用耳机听音乐.