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This is _____ “J” and that’s _____ “F”.
#33087
A
a; an
B
an; a
C
a; a
D
an;an
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 It’s _____ good idea to spell and pronounce new words aloud every day.
#32397
A
a
B
an
C
/
D
the
-You’re dropped __________ “s” in the word “across”.-Oh, you are right, __________ letter “s” should be doubled like this “cross”.
#33353
A
a, a
B
an, a
C
an, the
D
the, a
This is   dictionary. And it’s   English dictionary.
#32978
A
an,an
B
a,a
C
the,an
D
a,an
We can have_______ bluer sky if we create________ less polluted world.
#34650
A
a;a
B
a;the
C
the;a
D
the;the
He is        honest boy. He never tells a lie.
#33819
A
a
B
an
C
the
D
/
不定冠词(a,an)
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