With some technical problems to be solved, it may be a while the system is put into use.
#33190
A
when
B
after
C
since
D
before
推荐题目
Sinking in the cheers of people, David walked off the stage, tears dropping he could stop them．
#30150
A
after
B
when
C
until
D
before
_______ as many local people as possible when you are abroad and you find it easier to overcome the culture difference.
#31290
A
To know
B
Knowing
C
Known
D
Know
_Don’t answer me with a simple “yes” or “no”.Explain_______possible.
#80070
A
whoever
B
whenever
C
however
D
whatever
Some people believe _______ has happened before or is happening now will repeat itself in the future.
#30012
A
whatever
B
whenever.
C
whereever
D
however
We don’t doubt _______ we will complete all the projects before the year 2010.
#32433
A
when
B
if
C
that
D
whether