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This is     ID card and that  is        eraser.
#34416
A
a,a
B
an,an
C
a,an
D
an,a
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This  is      ruler .      ruler  is  yellow .
#33873
A
the ; a
B
a ; A
C
the ; The
D
a ; The
—What about _____ English-Chinese dictionary on the bookshelf?—In my opinion, it’s _____ useful tool book for my English learning.
#33325
A
a; an
B
an; a
C
the; a
D
the; an
-You’ve dropped __________ “s” in the word “across”.-Oh, you are right, __________ letter “s” should be doubled like this “cross”.
#32593
A
a, a
B
an, a
C
an, the
D
the, a
Tomorrow is ___Mother’s Day and I’ll make  beautiful card for my mother.
#33691
A
a;the
B
/;the
C
/;a
D
a;a
Tim is _________ one-year-old boy. He can say a few words.
#34356
A
a
B
an
C
/
D
the
不定冠词(a,an)
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