Last Sunday，we took ________ guided walk around by ________ signs of the famous town.
#7908
A
the；the
B
a；/
C
the；/
D
a；the
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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