Answer:
11) anillo (ring)
12) collar (necklace; it's funny how this one is also an English word)
13) sombrero (hat)
14) cinturón (belt)
15) abrigo (coat)
16) suéter (sweater)
17) sandalia (sandal)
18) traje (suit)
19) pendientes (earrings)
20) gorra (cap)
Explanation:
(I know you already have 12, 13 and 20 down, but I've put them again just in case.)
b) redacte un parrafo con idea principal dedictiva con una idea secundaria que de una explicación