________ old man behind Mary is ________ university teacher.
#33932
A
An, an
B
A, the
C
The, a
D
The, an
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As we know, England is European country and Singapore is Asian country.
#33638
A
an； an
B
an； a
C
a； A
D
a； an
There is 8-year-old boy playing Chinese chess with his friend in the classroom.
#32252
A
a,/
B
an,/
C
a, the
D
an, the
____ educational CD-ROM has just come out. _____ CD-ROM is called ‘Dora Explorer’.
#34060
A
A ; The
B
An ;The
C
The ; The
D
The ;A