My friend Amy often takes walk with her dog in the park after dinner.
#33211
A
不填
B
a
C
an
D
the
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— My son seldom has breakfast.— It is unhealthy habit. You must ask him to change it.
#32163
A
/; an
B
the; an
C
/; a
D
the; a
The dog had _____ serious toothache so its owner took it to _____ animal doctor.
#32603
A
an, an
B
the, /
C
a, /
D
a, an