Verb conjugation of "radieren" in German

I ran across the bridge to reach the other terminal and asked at the check in counter which connecting flights were still available. I wanted to avoid having to drive into the city at any cost.
I have even met someone who invited me to come and visit. It was an older couple who were renting apartments for language students. Well, actually there are agencies that offer the same as this couple, but I'm open.
I have been studying Hungarian for one month. I also speak English, German and Latin. Hungarian would be my fourth language, and it gives me headache. I still can not say anything, not even one word.