Interview

I have had (past tense, this interview already happened) an interview today, the company is in Wujiang which is far away from my living place home (Or you could say, "far from where I live). But I am interested in this company's background and its salary. So I took three hours to take the bus to there for this interview. I were was (singular) very tired because of the travel time. When I got there, I should finished the interview papers which is were (plural) prepared by the company to know show them (I am guessing this is what you meant) my basic situation. They asked me to use English to answer this these (plural) questions 'please tell me your three advantages and weaknesses' and 'why you choose (past tense) this company and leave left (past tense) your before last company', this troubled me. Fortunately, I pulled it off, and now I'm waiting for (present tense) their information in this week. God bless me.

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Congratulations on your interview! I hope you get the job!

Your writing is very good, I only had to correct small things. Here is was I saw. 

     YOU are a very important person! Remember to always capitalize "I" when speaking about yourself, and capitalize all proper nouns. For example: "Anne from China speaks English and visits Russia every November. I always travel to Ireland for Christmas in December". Proper nouns are the names of people, places, months, days, holidays, etc, and are usually if not always capitalized in English. 

     Past, present and future tense. You had the interview (past), you have an apple (present), and you will have dinner tonight (future). 

Hope this helps!

Interview

I have a interview today, the company is in Wujiang, which is far away from where I live. Even though it is far away i am still interested to learn more about this company's background and its salary. So i took a three hour bus ride there for this interview. I was very tired because of the travel time. When i got there, I should have finished the interview papers before I got there, which is used by the company to know my basic situation. They asked me to use English to answer this question 'please tell me your three advantages and weaknesses' and 'why you choose this company and leave your previous company', this was difficult to write. Fortunately, i pulled it off. And now i must patiently wait for their results next information in this week. God bless me.

Interview

I have a interview today, the company is in Wujiang which is far away from my living place. But i am interested in this company's background and its salary.（But I'm interested in the background and the salary it offered ） So i took three hours to take bus to there for this interview.(It took me three hours to be there for the interview) I were (was)very tired because of the travel time. When i got there, i should finished the interview papers which is prepared by the company to know my basic situation. They asked me to use English to answer this question 'please tell me your three advantages and weaknesses' and 'why you choose this company and leave your before company', this troubled me. Fortunately, i pulled it off. And now i wait for their information in this week. God bless me.