（2014年山东日照市高三校际联合检测）l.We can never expect____bluer sky unless we create_____less polluted world．
#7615
A
a；a
B
a；the
C
the；a
D
the；the
推荐题目
What I’ve just got for Christmas is ________ attractive ipad, ______ present I have been longing for.
#8109
A
an; a
B
an; the
C
the; a
D
the; the
Let ‘s go to ____cinema ----that will take your mind off the problem for ___ while.
#9001
A
the ; the
B
the; a
C
a; the
D
a ; a
The report said a bus went out of ____ control in the highway _____ south of the city and rushed into the river.
#8385
A
the; the
B
/; the
C
the; /
D
/; /
The invention of_________ paper was a great contribution to________human civilization.
#10000
A
a;a
B
the;the
C
/;/
D
the;/