suggests you may be a Russian-speaking learner. The official answer key for Menschen A2.1 is not freely included in the regular Kursbuch – it’s usually in the Lehrerhandbuch (teacher’s book) or a separate Lösungen booklet.
: The most reliable source for answers is the publisher itself. Hueber's download section often provides the "Lösungen" (solutions) and lists of irregular verbs as free PDFs. menschen a2.1 kursbuch pdf otvety