購買b1考試 Optionen
Duration: depending on your current level. If you are already on examination level, 10 teaching units may suffice to familiarize you with the testing format. If you tonlos need to improve your level, you may need more (check how long does it take to reach the testing level). 開一個銀行賬戶。這對於申請德國居留許可是強制性