. —Dad, dad! My head hurts so much. I think I’m dying. —________, darling! The doctor says you will feel better soon.
There are some health problems that, when ________ in time, can become bigger.
In the global economy, a new drug for cancer, ________ it is discovered, will create many economic possibilities around the world.
Don't turn off the computer before closing all programs, ________ you could have problems.
I was glad to meet Jenny again, ______ I didn't want to spend all day with her.
(2013·北京卷)Many countries are now setting up national parks animals and plants can be protected.