What ________ wonderful time we had at ________ Smiths’ then!
#9533
A
a; 不填
B
a; the
C
不填；the
D
the; the
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How about taking ______ short break? I want to make _______ call．
#9784
A
the, a
B
a, the
C
the, the
D
a, a
Most scientists seem to agree that ______ certain limit should be set on _______ consumption of cars to ease air pollution.
#9564
A
a; the
B
/; the
C
the; /
D
the; the