Translation of Altpapier

I will put that one and the offending words. These words should not be optional, cause we need to know when a word is offending. Would it be helpful to have a counter, so you see how many words you translated?
Sorry that I answer so late but I was in Africa on vacation. What do you want to study in university? I think the most interesting are science studies, and it pays off, cause salaries are high.
What is the past tense of 'to swim'? So either you say, I was swimming or yesterday I was swimming. Or: I was running yesterday vs. yesterday, I ran. You know the answer? I have no clue.