Lena joined the group. That evening, six learners from different countries had uploaded their completed exercises. Lena compared her answers, corrected her mistakes, and finally understood “sobald,” “solange,” and “während.”
: Often, coursebooks have an accompanying teacher's book that includes answers to exercises. While this might not be freely available online due to copyright, it's a resource you could consider purchasing or asking your teacher for access. schritte plus neu b1 1 lösungen kursbuch