Odpowiedź:
16 saw, was wearing
17 have already been
18 are you doing
19 are going
20 spent
21 haven't seen
22 was sleeping, was watching
23 live, have lived, has been
24 were you
25 haven't seen, left
26 haven't decided
27 are you thinking
28 do you think
29 eats
30 has changed, left
31 saw, haven't seen
32 was studying, met
33 was flying, fell
34 has eaten
35 is getting
36 don't believe
37 helped
38 Do they know
39 was
40 came, were, had played ( chociaż bardziej mi tu pasuje Past Perfect Continuous had been playing, jeśli znasz)