Ответ:

Сначала подбираем логичное продолжение, затем вставляем подходящее слово после no matter.

  1. F: No matter how hard I try, I never lose any weight.
  2. B: Well, it looks as though we'll have to buy a new one, no matter how much it costs.
  3. H: She never gets to work on time, no matter which bus she takes.
  4. A: Don't trust her an inch, no matter what she promises.
  5. E: No matter how much he'd like to, he refuses to give up eating fatty food.
  6. I: No matter when you get there, give us a ring to let us know everything's OK.
  7. C: No matter what the doctor tells him, he'll never forget the crash.
  8. J: Cigarettes are extremely bad for you, no matter how little tar they might contain.
  9. G: Look, this rumour is totally untrue, no matter who told you.
  10. D: Come on, you'd better clear up this mess; no matter whose fault it was.

Ответ: 1–F, 2–B, 3–H, 4–A, 5–E, 6–I, 7–C, 8–J, 9–G, 10–D.