2 has seen
3 took
4 spent
5 have become
6 were
7 has enabled
8 really has improved
9 disappeared
10 took
11 have become
12 haven't done
13 has brought
14 has solved
2 has seen
3 took
4 spent
5 have become
6 were
7 has enabled
8 really has improved
9 disappeared
10 took
11 have become
12 haven't done
13 has brought
14 has solved