The development of industry has been ______ gradual process throughout ______ human existence, from stone tools to modern technology.
#8498
A
不填；the
B
the；a
C
a; 不填
D
a; a
推荐题目
The medical reform in that country proved to be _____ failure, but as we know, success often comes after _____ failure．
#8214
A
a; the
B
a; /
C
a; a
D
/; /
)Many people have come to realize that they should go on __________ balanced diet and make __________ room in their day for exercise.
#10267
A
a; 不填
B
the; a
C
the; the
D
不填; a
The carnival celebrations in Venice are ________ good chance to have _______ fun.
#9532
A
/; the
B
a; a
C
the; /
D
a; /
Nelson Mandela, who became____ president of South Africa in1994, passed away on December 5,2013, at _____age of 95.
#7722
A
a; the
B
/; the
C
a; /
D
the; the
How beautifully she sings! I have never heard＿＿＿＿．
#10216
A
the better voice
B
a good voice
C
the best voice
D
a better voice