Our class teacher is still on ______ holiday, so our monitor will be in ______ charge of the meeting today.
#8692
A
/; /
B
the; the
C
a; /
D
the; a
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While income worry is _______ rather common problem of the aged, loneliness is another problem that ________ aged parents may face.
#10385
A
a; 不填
B
the; 不填
C
a; the
D
the; the
All of _____ sudden, the passengers on _____ board let out screams, running upstairs like crazy.
#10483
A
a; /
B
the; the
C
the; /
D
a; the
With ________ word “PM 2.5” repeatedly appearing in ________ media reports, the public can’t help wondering what it really means.
#8397
A
the; \
B
a; the
C
the; the
D
\; the