помаги пжжжжжж 2,3,4

2 упр.
1)for
2)for
3)since
4)since
5)for
3 упр.
B arrived
A did you go
B went
4 упр.
2 since
3 got
4 went
5 was
6 were
7 haven't heard
8 left
9 were
10 since
11 have visited
12 have crossed
13 wanted
14 since