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His father teaches English at ______ middle school but I don’t know which one.
#34363
A
a
B
an
C
the
D
/
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There is _______desk in the room. _______old book is on it.
#32693
A
a; A
B
a; An
C
An; a
D
an; A
  What _________exciting news it is! Is _______news true?
#32233
A
an; the
B
an; a
C
a; the
D
/; a
He went into space as _____polit of Gemini 8.
#32717
A
the Command
B
a Command
C
Command
D
Command
This is         3-D printer. And this is an artificial (人工的) ear. Can you believe that scientists printed this artificial ear by this 3-D printer?
#33175
A
a
B
an
C
the
D
/
Shanghai seems like           good place for vacation.
#32421
A
a
B
an
C
the
D
/