You know, ________ knowledge of ________computer is necessary to a secretary(秘书).
#9894
A
a; /
B
the; the
C
the; /
D
a; a
推荐题目
So far nobody has provided ______ hard evidence to support their claim that they have seen _______ UFO.
#8905
A
an; a
B
the; the
C
不填；a
D
不填；an
This is challenging job I mentioned to you the other day． Have you had anyone in mind for it now?
#7854
A
a, the
B
the;/
C
the, the
D
a:/
John, _______ university professor, is considered to be _______ success as ______ expert in the agriculture research.
#9081
A
a; a; an
B
an; / ; an
C
the; /; an
D
a; the; an
It is clear that ________ little money the invention will bring him can hardly support so large ________ company.
#8901
A
/; the
B
the; a
C
a; /
D
a; the