help me :
1: Mary can't sleep because there was the noise
---- because of
2: his wife usually gives him a list because he often forgets things
--- because of
3: he left school because his life was hard
---- because of
4: because he got up early , he wasn't late for first train
---because of
5: Nick is often punished because he is lazy
---- because of
6: Karen works on Sundays because she gets paid extra
--- because of
7: we didn't go fishing because the water was rough
---- because of
1: Mary can't sleep because there was the noise
---- because of the noise, Mary can't sleep
2: his wife usually gives him a list because he often forgets things
--- because of the fact that he often forgets things, his wife usually gives him a list
3: he left school because his life was hard
---- because of his hard life, he left school
4: because he got up early , he wasn't late for first train
---because of getting up early , he wasn't late for first train
5: Nick is often punished because he is lazy
---- because of his laziness, Nick is often puished
6: Karen works on Sundays because she gets paid extra
--- because of getting pard extra, Karen works on Sundays
7: we didn't go fishing because the water was rough
---- because of the rough water, we didn't go fishing