．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
--- I knocked over my coffee cup. It went right over ____ keyboard ---You shouldn’t put drinks near ____ computer.
#8615
A
the; /
B
the; a
C
a; /
D
a; a
It was reported that a 63-year-old man from Hunan Province had won _____ LCD television for being _______ 100,000th visitor to the Taiwan Pavilion.
#9851
A
a ; the
B
an; the
C
the; a
D
the; the
Have you read today’s news? The priceof houses has slightly gone down.
#10387
A
the, the
B
不填,the
C
the,不填
D
不填，不填
The death of Kim Jong I1 was great surprise to the world and it is reported that he died while he was traveling to inspect somewhere in flesh.
#8725
A
the; a
B
不填; a
C
a; 不填
D
a; the
It’s _______ thrill to have ______ ten-year research project completed with the desired result.
#8084
A
/ ; the
B
a; the
C
the; a
D
a; a