The oil on the earth will one day.
I think so. We should make good use of it.
find out
work out
give out
run out
I like teachers _____ classes are interesting and creative.( )
which
who
whom
whose
Tom, what's your dad doing?
He _____ my bike.( )
repair
repairs
is repairing
will repair
Which book do you prefer ,Harry Potter or Treasure Island ?
Harry Potter, of course. _____ I _____ my sister likes it.( )
Both;and
Neither; nor
Not; but
Not only; but also
It's ten years since I _____ to study English.( )
begin
began
has begun
have begun
Elsa lives on the _____ floor.( )
nine
ninth
nineteen
ninety