Odpowiedź:
1. What are you doing here? You are supposed to be at the dentist. Did you forget?
2. OK
3. You can be really selfish sometimes. You ought to think about other people a bit more.
4. Everyone got over 80% in the test, so it can't/couldn't have been very difficult (oba czasowniki modalne będą pasować).
5. OK
6. My teacher thinks that I can get a place at Oxford if I work really hard.
7. The house is unlocked, but Dave isn't here. Where do you think he could/may/might have gone? (wszystkie trzy czasowniki modalne będą pasować).
8. Sue got very stressed about her exams, but it turned out that she needn't have worried, because she did brilliantly.
