advisablerecomendable
asleepdormido
certaincierto
clearclaro
doubtfuldudoso
fortunatelyafortunadamente
let's hope thatojalá
membersocio
necessarypreciso/necesario
obviousobvio
perhapsquizás
to be sleepytener sueño
to demandexigir
to inventinventar
to learnaprender
to lendprestar
to neednecesitar
to swimnadar
to worktrabajar
world-widemundial
to lendprestar
to neednecesitar
to swimnadar
to worktrabajar
world-widemundial