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; /
推荐题目
Beginning college is exciting：many of us can be easily overwhelmed by _______ details of running ________ well-balanced life.
#10375
A
／; the
B
the; a
C
／; a
D
the; ／
It is said that the company in ___ charge of him is in ____ debt now.
#9238
A
the, the
B
/ , /
C
/, the
D
the, /
---Have you seen____pen? I left it here this morning.---Is it ____black one? I think I saw it somewhere.
#10529
A
a; the
B
the; the
C
the; a
D
a; a
I don’t know who invented __________ telescope, but I think it is __________ most useful invention.
#9523
A
the, the
B
the, a
C
a, the
D
a, a