Below the topsoil of the earth is the subsoil, _____ layer that contains stones mixed with a small amount of _____ organic matter.
#9570
A
a; the
B
the; the
C
不填; 不填
D
a; 不填
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Jumping out of ____ airplane at ten thousand feet is quite ____ exciting experience.
#8253
A
/; the
B
/; an
C
an; an
D
the; the
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
However ____ important school life may be, ___ great influence of parents can’t be ignored or discounted by the teacher.
#8284
A
an; a
B
the; the
C
an; /
D
/; the
I often have conversations with John over ______ telephone, while keep in touch with Tom by ______ letter.
#10302
A
不填；the
B
不填；a
C
the；不填
D
the; a