Ответ:
b)
1 already
2 has just
3 yet
4 just
5 already
6 yet
7 already
8 already
9 just
10 yet
11 just
12 yet
c)
1 I have just taken
2 We have never played
3 Have my parents ever gone to the cinema?
4 I have already finished
5 has just washed
6 We have not visited the new museum yet.
7 has already prepared
8 has never seen
9 Have you (I) ever been
10 I have not got ready for the dinner yet.
Объяснение: