It came as ___ shock to learn that Bob, one of the top students in our class, failed in____ exam.
#8188
A
/; the
B
a; the
C
a; an
D
/; an
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While other scientists are keeping____eye on changes in the H5N1 bird flu strain, the scientists in England are working on vaccines, in case it becomes highly infectious in ____humans.
#9824
A
a , /
B
an, /
C
the, an
D
an, the
As is known to us all, _____ tiger is in _____ danger of becoming extinct.
#10225
A
the, a
B
the, 不填
C
a, 不填
D
不填, the
A girl became a writer at ___ age of 12,_____ age when many children are still in the primary school.
#10417
A
an;an
B
the;an
C
an;the
D
the ;the
I recently paid _____ visit to my aunt, and her grandson kept _____ making fun of me.
#8619
A
a, \
B
the, a
C
a, a
D
the, \
He always tells ____ lies, to tell you ____ truth, I don’t believe what he said at all.
#9139
A
/; /
B
the; the
C
/; the
D
the; /