We can never expect________bluer sky unless we create________less polluted world.
#8706
A
a; a
B
a; the
C
the; a
D
the; the
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.. Department of Homeland Security and CIA produced ______ joint report on Monday warning that ______ next 911 could in fact occur on ______ different date.
#9730
A
the; a; the
B
a; the; a
C
/; the; the
D
a; /; the
Tom owns ______ larger collection of ______ books than any other student in our class.
#10462
A
the; 不填
B
a; 不填
C
a; the
D
不填; the
We all hold _____ belief that those who have ____wonderful sense of humor are more popular.
#10374
A
the, a
B
/, /
C
the, /
D
a, the
Ted has made up his mind to give it up, but on _____ second thoughts he determined to try______ third time．
#9681
A
/ ; a
B
/ ; /
C
a ; a
D
the ; a