ALLES üBER 購買B1考試

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 lautlos need to improve your level, you may need more (check how long does it take to reach the testing level).   假如我遺失了我的證書，又或者在郵寄途中遺失了�