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…Is this      book you were talking about yesterday? …Yes，thank you very much.
#33972
A
a
B
all
C
the
D
不填
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 —Do you know      man in blue? —Yes, he is a professor of Jiangsu University.
#32313
A
the
B
a
C
an
D
不填
—What can I do for you, madam?—I want __________ orange skirt for my daughter. Have you got any?
#33647
A
an
B
the
C
a
D
/
—What        cold weather！—Yes. But it’s  unusual experience for us, we normally live in a hot place.
#33943
A
/; a
B
a; an
C
/ ; an
D
a; the
—Bob, you look so happy today! —Well，I got ______ A on my English test．
#34642
A
the
B
a
C
an
D
/
Mary writes       e-mail to David. She found        keys.
#33050
A
a; him
B
an; his
C
a; her
D
an; he