In the global economy, a new drug for cancer, _________ it is discovered, will create many economic possibilities around the world.
#30704
A
whatever
B
whoever
C
wherever
D
whichever
推荐题目
The idea of fish being able to produce electricity strong enough to light a lamp is almost unbelievable, _____ several kinds of fish are really able to do this.
#34581
A
therefore
B
and
C
then
D
but
We have just heard a warning on the radio _____________ a typhoon may be on its way．
#30095
A
what
B
when
C
which
D
that
The dog may be a good companion for the old. _______, the need to take it for walks may be a disadvantage.
#32208
A
Besides.
B
However
C
Therefore
D
Instead.
The changes in our chemistry lab will cost quite a lot, ____ they will save us money in the long run.
#80217
A
or
B
since
C
for
D
but