1.a--an
2.problem--problems
3.damages--damage
4.suffered--suffering
5.fast--faster
6.long--a long
7.between--of
8.were--are
9.about--for
10.designing--designed
1.a--an
2.problem--problems
3.damages--damage
4.suffered--suffering
5.fast--faster
6.long--a long
7.between--of
8.were--are
9.about--for
10.designing--designed