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People, especially teens, think it __ great fun to surf on _____ Internet.
#34030
A
a; the
B
a; 不填
C
不填; the
D
不填；不填
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After school, they usually play _____ football for an hour on _____ playground.
#32412
A
the ; the
B
/ ; /
C
/ ; the
D
the ; /
---What color is it?---It’s______orange.It’s ______ orange pen.
#32168
A
a ;an
B
an;an
C
an ;/
D
/;an
—There’s ______ ball on the ground. Would you please pass ______ ball to me?—With pleasure.
#34463
A
the; the
B
the; a
C
a; a
D
a; the
Do you think Jack is ____ honest boy?
#33848
A
a
B
an
C
the
D
/
There is ________”h” and  ________”u” in the word “hour”.
#33704
A
an ; a
B
a ;an
C
a ; a
D
an; an