I'll translate these sentences into English for you:"Where were you at three o'clock?" - "I was visiting my sick friend."They built this house last year, but they don't live in it."Do you like to go on excursions?" - "Yes, if they are interesting.""Does your friend know German?" - "No, she doesn't. But she speaks English well.""Where did you buy this book?" - "I bought it last Tuesday at a bookstore.""Why was she late for lunch yesterday?" - "She was busy at work.""Do you want to go to this singer's concert?" - "No, I went to his concert last year.""How did you like the TV show yesterday?" - "I didn't watch TV yesterday.""As a rule, she doesn't discuss such important matters over the phone.""Nobody wants to believe him. Why? He always tells the truth.""It was late when they called me.""Did you go to the disco yesterday?" - "No, we didn't have time.""He always knows what to do and always gives good advice."These translations keep the original meaning and context of your sentences. Good luck with your task tomorrow!