.It is reported that the United States uses___________ energy as the whole Europe.
In the global economy,a new drug for cancer,________ it is discovered,will create many economic possibilities around the world.
One can always manage to do more things,no matter________full one’s schedule is in life.
________I have to give a speech,I get extremely nervous before I start.
Mark needs to learn Chinese ________ his company is opening a branch in Beijing.
________we have enough evidence,we can’t win the case.