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This is ___ old watch. Could you give me ___ new one?
#34011
A
a, a
B
an, a
C
an ,an
D
a, an
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This is _____ book. And it is ____ English book.
#33129
A
a, a
B
an, an
C
a, an
D
an, a
 —Do you know      man in blue? —Yes, he is a professor of Jiangsu University.
#32313
A
the
B
a
C
an
D
不填
 Do you have a PE lesson today?No, we don’t. We have ___ art lesson today.
#33698
A
a
B
an
C
the
D
/
People, especially teens, think it         great fun to surf on         Internet.
#32646
A
a; the
B
a; /
C
/; the
D
the; the
—It is       useful book.—Yes, it tells us how to play       football.
#33594
A
an； /
B
a； /
C
a； the
D
an； a