Odpowiedź:
Wyjaśnienie:
1 a My sister is thinking about going to university. ∨
b My sister thinks about going to university. v
2 a Tam hearing that you are advertising a new position. x
b Thear that you are advertising a new position. v
3 a They are seeing the new investors this afternoon. v
b They see the new investors this afternoon. v
4 a The manager feels that we should make the presentation. v
b The manager is feeling that we should make the presentation. v