4. My mother and my father are teachers; but they _________(not / teach) at the same school.

My mother and my father are teachers; but they _________(not / teach) at the same school. В задании необходимо раскрыть скобки, поставив глагол в правильную форму Present Simple. В данном случае, нужно употребить вспомогательный глагол do с частицей not и глагол teach в первой форме. Ответ: My mother and my father are teachers; but they do not teach at the same school.