_______ about the universe up till now.
#84008
A
So little had me known
B
Only a little do we know
C
Very little have we known
D
Little shall we know
推荐题目
Only the factory ____ yesterday ____ this kind of machines.
#83079
A
did we visit; does it produce
B
did we visit; produces
C
we visited; produces
D
we visited; does it produce
Online shopping , when properly ____, can save a lot of time , money and energy.
#82596
A
done
B
is done
C
having done
D
doing
Some seemingly harmless blogs might become harmful when ________ on the Internet by millions of people.
#81839
A
to read
B
reading
C
read
D
being read
Only when _________ possible to settle the problem.
#82886
A
does the chief editor come will it be
B
the chief editor comes will it be
C
does the chief editor come it will be
D
the chief editor comes it will be