英语短文改错Many boys and girls like collecting stamp.----1._____S

英语短文改错
Many boys and girls like collecting stamp.----1._____
Stamp-collecting began as earlier as 1854.Now ----2._____
there are more and more people collect stamps.----3.______
Except boys and girls,men and women also collect ----4._____
stamps.In 1921 ,America started a special space who ----5._____
provided stamps for the stamp-collectors.In some ----6._____
countries ,there are even lessons in stamp-collecting----7._____
in school.People become more and more interesting ----8._____
in stamps.Every picture on a stamp have a meaning in ----9._____
it telling us interesting story.----10.______
1.stamp->stamps.这个没什么问题吧.
2.as earlier as ->as early as.
3.collect->collecting.
4.Execpt boys and girls->Except for boys and girls.
5.这个怎么改?将who改为where吗?America能做主语吗?
6.怎么改?
7.lessons in stamp-collecting改为lessons on stamp-collecting
8.interesting->interested.
9.have ->has对吗?
10.怎么改?