Ответ:
Вставки по смыслу:
- A — the only planet he was ever going to live on
- B — I didn’t know anything, really
- C — how to fly a plane
- D — “How do they know that?”
- E — seem to know almost everything
Лишняя часть: how scientists find things out.
Ответ: A–3, B–2, C–5, D–6, E–4; лишняя — 1.
