Ответ:

Сопоставим начала и окончания предложений:

  1. The train is faster than the bus.
  2. This is the most exciting match of the season.
  3. My younger brother is more patient than I am.
  4. The Amazon is one of the longest rivers in the world.
  5. Today’s test was less stressful than I expected.

Ответ: 1–C, 2–B, 3–D, 4–A, 5–E.