Do you know a spaceship flies at about nineteen kilometers ________ second?
#33191
A
the
B
a
C
/
D
an
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Our Chinese teacher told us interesting story and story was about Thomas Edison.
#34510
A
an; a
B
the; the
C
a; the
D
an; the
‘I’____the first letter in the word‘irregular’,and there is___‘u’and ___‘l’in it.
#32393
A
is, a, an
B
am, an, a
C
is, an, a
D
am, a, an
