Ответ:

a) The two boys are at school. They are going to the science lesson.

b)

  1. F — The science lesson is in Room D.
  2. F — Markus is new to the school, not David.
  3. T — They are both twelve.
  4. F — The dialogue does not say that they are in different classes; Markus is in Class 2E.

Ответ: 1 — F, 2 — F, 3 — T, 4 — F.