They had to ______ the meeting because the organizers didn’t prepare the hall well, where people can share their opinions and hold discussions.
He is so busy. He cannot afford enough time with his son _______ he wants to.
Mark needs to learn Chinese _______ his company is opening a branch in Beijing.
_________I have to give a speech, I get extremely nervous before I start.
In the global economy, a new drug for cancer, ______ it is discovered, will create many economic possibilities around the world.
Anyone, once ____ positive for H7N9 flu virus, will receive free medical treatment from our government.