購買b1證書 Grundlagen erklärt
flexible: You can add or cancel participants until shortly before the Keimzelle of the exam, using the familiar template. You do not need any special approvals. This makes registration more flexible. Hinein addition, you can remove registrations free of charge rein the event of cancellations. 年齡與最低的年齡門檻不符的考生將不能�