introverted
sociable
broad-minded
narrow-minded
He's so irritating. He's a real ...
pain in the neck
My classmates are a lot less hard-working (than / as) me.
than
She speaks (faster / more fast) than anybody else I know.
faster
talkative
quiet
diplomatic
tactless
She's a ... . She tells some really funny stories!
great laugh
She doesn't work (as hard / hardly) as me.
as hard
The Theory of Relativity is not so difficult (as / that) people imagine.
as
reliable
untrustworthy
self-confident
insecure
He's a real ... . He always goes to every party there is.
The sunnier it is, (it gets hotter / the hotter it gets).
the hotter it gets
They're the (most / more) confident people that I know.
most
humble
big-headed
Don't be such a ..., telling everybody our secrets!
big mouth
When you write your composition, do it more (careful / carefully) than the last one you did.
carefully
The sooner she finishes her work, the (earlier / earliest) she can get home.
earlier
Who's the ... who answered all the exercises before the teacher asked us to?
bright spark