Odpowiedź:
4.
1. don't let the passengers know ---> in order not to let the passangers know
2. close ---> closing
3. more fastly ---> faster
4. of ----> in
5. made ----> introduced ( chyba )
6. at ----> on
7. has been invading your mind -----> has been on your mind
8. niestety nie wiem
5:
1 let's
2 worse
3 it must
4 niestety też nie wiem :(
