翻译：

Asthesourceofaluminumisalmostinexhaustible,wecanexpectthatmoreandmoreuseswillbefoundforthisversatilemetal.(PassageTwo)

Rockmusicusually____theyoungpeopleinmostcountries.

PartIVTranslation

Bymakingvehicleslighterinweightaluminumhasgreatlyreducedtheamountoffuelneededtomovethem,(PassageTwo)

Thecompositionscontainedsofewerrorsthattheteachergotthestudents_____oneanother’spapers.

Thissickmanwas_____inablanket.