70. These books are _____ written for those who learn how to use computer. It’s an ABC of computer learning.
(2013·辽宁卷)One can always manage to do more things,no matter full one’s schedule is in life.
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.