World leaders have to face the fact that ________ global warming has become perhaps ________ most complicated issue.
#7992
A
/；the
B
/；/
C
the；the
D
the；/
推荐题目
____new wave of Chinese migration is under way, fuelled by ever-younger students for whomEnglish is not a piece of knowledge but a living language to unlock ____ door of the wider world.
#8465
A
The; the
B
The; a
C
A; the
D
A; a
Many experts seem to agree that _______ certain limit should set on ________ consumption of cars to ease air pollution.
#9314
A
a; the
B
/; the
C
the; /
D
the; a
________ walk is expected to last all day，so bring ________ packed lunch.
#7883
A
A；a
B
The；/
C
The；a
D
A；/
----Look！Jane has_____blue expression on her face. ----So it seems that_____bad news proves true.
#10115
A
the; a
B
the;/
C
a; the
D
a;/
Scientists across the world agree that this is an invention of _______ great significance, _______ invention that will greatly change human life.
#9551
A
a; the
B
a; an
C
/ ; the
D
/ ; an