Umbrellas first ( in china about 3000 years ago. (to appear) in ancient china and egypt, umbrellas ( symbols of rank. (to be considered ) important people often ( umbrellas, (to have) covered with leaves or feathers held over them by servants for protecting them from the sun. the greeks ( umbrellas to europe as sunshades about 2,000 years ago. (to introduce) the romans ( them to protect themselves against rain. (to use)
1) appeared
2) were considered
3) had
4) introduced
5) used