Because of ______ high demand for Type AB blood, ______ supplies of it are usually limited.
#10475
A
the; the
B
不填; 不填
C
不填; the
D
a; the
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So far nobody has provided ______ hard evidence to support their claim that they have seen _______ UFO.
#8905
A
an; a
B
the; the
C
不填；a
D
不填；an
________ theme of the Shanghai Expo was “Better city, better life”． It sent _____ message to people around the world to care about the places where they live．
#8862
A
/…a
B
The…a
C
A…the
D
/…the
Do you think it ____ great reward for Beijing to hold ______ Olympics in 2008?
#10189
A
the; the
B
a; the
C
a; an
D
/; /
George. W. Bush, _______ President of the United States, is to visit China _______ third time.
#8811
A
a；a
B
the；a
C
/；a
D
/；the
What ________ wonderful time we had at ________ Smiths’ then!
#9533
A
a; 不填
B
a; the
C
不填；the
D
the; the