4)
1 snowing
2 breaking
3 to do
4 to help
5 to cry
5)
1 got used to
2 used to
3 get used to(предложение не имеет смысла)
4 is used to
5 get used to
6)
1 called off
2 called out
3 called off
4 call on
5 call in
7)
1 how on earth
2 out of danger
3 in ruins
4 in flames
5 by nature