We can never expect ________bluer sky unless we create _____less polluted world
#8121
A
a;a
B
a ;the
C
the ;a
D
the; the
推荐题目
rise in carbon dioxide is causing steady increase in global warming.
#8777
A
不填; a
B
The; a
C
The;不填
D
A；the
When _______cruel man was hurting the children, there were no adults around who were able to stop______hurting.
#9877
A
the, the
B
the, 不填
C
a,不填
D
a, a
In __________ film Cast Away. Tom Hanks plays __________ man named Chuck Noland.
#10264
A
a; the
B
the; a
C
the; the
D
a; a
As is known to all, ______People’s Republic of China is _____ biggest developing country in the world.
#9182
A
the; 不填
B
不填；the
C
the ；the
D
不填；不填
(2013·山东日照二模)The teacher praised me for ________ progress I'd made, which was ________ great encouragement to me.
#7944
A
the; /
B
the; a
C
/; a
D
/; /