Люди очень безотлагательно необходимо сделать

1.
ответ: 1,2,5,6
2.
1 written
2 cleaned
3 learnt
4 seen
5 gone

3.
1 i and my friend have bought apples
2 i and my friend have watered
3 i and my friend have written a test
4 i and my friend have helped the mother
5 i and my friend have done morning exercise

4. вместо скобок:
have done, have gone, has not come, have finished, have read, has not come, has played, have done , have begun