．We can never expect _________ bluer sky unless we create _________ less polluted world.
#7748
A
a；a
B
a；the
C
the；a
D
the；the
推荐题目
—Do you have _______ sweet tooth? —I used to, but now I’m on _______ diet.
#8591
A
a; the
B
/; a
C
/; /
D
a; a
Online shopping is becoming ___ rising industry for China, as the country is ___home to the world's largest online population．
#8358
A
不填;the
B
a;the
C
the; 不填
D
a; 不填
— What do you think we should do after dinner?— Why don't we get _______ beer at the Karaoke bar down the street? It is kind of _______fun to hear all the band singing．
#8112
A
a; /
B
a; a
C
the; a
D
a; the
Though every parent admits that reading contributed to _________ better mind of their child, yet let’s face it, who has got _________ time?
#8507
A
a; the
B
a; /
C
the; the
D
the; /
Faced with_______ failure, it is the most important for us to keep up ______good state of mind.
#9721
A
/ ; a
B
a ; /
C
the ; /
D
/ ; the