Which sentence does not contain any errors?
a.
let's just agree, though, that my brother's room is always dirty.
b.
my two sisters doll's have unique names but both look exactly the same.
c.
i always try to respect everyones' opinions.
d.
our dogs and cats are not permitted to go into my uncle jacks' room.

Ead this sentence from the evolution of useful things.the underlined phrases indicateaaking waterproof sandpaper would allow wet sanding,which in turn would cut down on dust, and thus be a greatmprovementpassing of timea directional change of positiona cause-and-effect relationshipsequence of events.save and exitmark this and retur