(2013·江苏，28)In the global economy，a new drug for cancer，________it is discovered，will create many economic possibilities around the world.
#67442
A
whatever
B
whoever
C
wherever
D
whichever
推荐题目
Recently a terrible earthquake happened in the Southern Asian Area, _______ the people are still suffering.
#72652
A
from their effects
B
of which effects
C
of its effects
D
from whose effects
________, it began to rain unexpectedly.
#68281
A
While cleaning the machine
B
To clean the machine
C
He was cleaning the machine
D
While he was cleaning the machine
Some pre-school children go to a day care center,____ they learn simple games and songs.
#73223
A
then
B
there
C
while
D
where