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It’s ________ unusual chance for Mr White to get such ________ useful advice.
#32889
A
an; /
B
a; an
C
a; the
D
an; an
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All of us always believe what Sam says. He is           honest boy.
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a
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—What are you going to be when you grow up，Sam?—________ teacher like you.
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This is ________ apple, and that is ________ orange.
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—How do you go to ______ work?—I usually take ____bus．
#34574
A
a，a
B
the，/
C
/，a
D
the，a