----Have you seen _____ pen? I left it here this morning.----Is it ____ black one? I think I saw it somewhere.
#9016
A
a, the
B
the, the
C
the, a
D
a, a
推荐题目
If you don’t know that _____ failure is the mother of success, you are sure to be _____ failure in life.
#8827
A
/; /
B
a; a
C
a ; /
D
/; a
Take your time-it’s just _________ short distance from here to ________ restaurant.
#8144
A
不填；the
B
a;the
C
the;a
D
不填；a
An engineer has designed _______ robot that can work in _______ deep sea to clean waste.
#9379
A
a; the
B
a; a
C
/; the
D
the; /
If mankind is trying to find new places in space to live and get new resources, it is fine.
#9132
A
the; the
B
/; /
C
a; the
D
the; a