More simple sentences in Chinese

1. 明年我会要去北京，上海，和 西安。(Next year I want to go to Beijing, Shanghai and Xi'an).  会去 = "may go".  So the intent and nuance of the two sentences differs greatly in meany.

2. 我学汉语 or 我学习中文。(I study Chinese). 汉语 and 中文 both means the Chinese language.  However, there are political differences.  The latter term is more recent and used for the unity of various groups in China.  It is better to use 中文 instead.  Use 汉語 when comparing with other languages.

3. 我的中国的朋友不喜欢听电音乐。(My Chinese friend doesn't like listening to electronic music).

4. 我家有一只黑色的猫。(In my house there's a black cat). 我家中有只黑猫 would be the shortest form.

5. 这本书多少钱？(How much is this book?)

Are they correct?

More simple sentences in Chinese

1. 明年我会去北京，上海，和 西安。(Next year I want to go to Beijing, Shanghai and Xi'an).
1. 明年我会去北京、上海和 西安。

2. 我学汉语 or 我学习中文。(I study Chinese).

3. 我的中国的朋友不喜欢听电音乐。(My Chinese friend doesn't like listening to electronic music).
3. 我的中国的朋友不喜欢听电子乐/电音。

4. 我家有一只黑色的猫。(In my house there's a black cat).

5. 这本书多少钱？(How much is this book?)

Are they correct?

More simple sentences in Chinese

1. 明年我会去北京，上海，和 西安。(Next year I want to go to Beijing, Shanghai and Xi'an).
if you use 会， it means that you 100% will go , then you can say like that ,  it is correct  sentence . but if you want to tell somebody that you want to do something , you may say  “我明年想去北京 ，上海 和西安）so it's up to you ! 
2. 我学韩语 or 我学习中文。(I study Chinese).

3. 我的中国的朋友不喜欢听电音乐。(My Chinese friend doesn't like listening to electronic music).
(you can say 我的中国朋友 or  我中国的朋友i think it‘s more normal） 
4. 我家有一只黑色的猫。(In my house there's a black cat).

5. 这本书多少钱？(How much is this book?)

Are they correct?

1. 明年我想去北京，上海，和 西安。(Next year I want to go to Beijing, Shanghai and Xi'an).

2. 我学韩语 or 我学习中文。(I study Chinese).

3. 我的中国的朋友不喜欢听电音乐。(My Chinese friend doesn't like listening to electronic music).

4. 我家有一只黑色的猫。(In my house there's a black cat).
     我家有一隻黑貓

5. 这本书多少钱？(How much is this book?)

Are they correct?