【单选题】
Anything that is ____ must be attended to immediately.
①
critical
②
essential
③
urgent
④
immense
【单选题】
There were some chairs left over[] everyone had sat down.
①
when
②
until
③
that
④
where
【单选题】
He said that everyone should turn their backs _____ a craving for fame and prestige.
①
for
②
down
③
up
④
on
【单选题】
We must remain() of Internet information.
①
worth
②
skeptical
③
skepticism
④
skeptically
【单选题】
You must be careful when ___ on the highway.
①
you driving
②
are driving
③
driving
④
you were driving