I don’t know who invented _______ telephone, it’s really _______ most useful invention.
#9082
A
the; a
B
the; the
C
a; a
D
不填；不填
推荐题目
rise in carbon dioxide is causing steady increase in global warming.
#8959
A
The; a
B
不填; a
C
The; 不填
D
A；the
The 2010 Shanghai World Expo is intended to achieve our common goal: ________world that is safer, cleaner and healthier than ________ one we’re living in.
#9813
A
the; the
B
a; /
C
a ; the
D
the ; /
___Mr Chen is waiting outside to speak to you. He appears to be quite ___ important person.
#10393
A
/. an
B
A, an
C
The, the
D
The, /
In communication, a smile is usually________ strong sign of a friendly and ________ open attitude.
#8106
A
the; /
B
a; an
C
a; /
D
the; an
Most scientists seem to agree that ________ certain limit should be set on________ consumption(消费) of cars to ease air pollution.
#7824
A
a; the
B
/; the
C
the; /
D
the; the