What I want to do most is to have____ quite interesting book, and ____ time to enjoy it.
The English teacherher students how to improve their comprehension skill since last week.
---- Sorry, I have to ______ now. It’s time for class. ---- OK, I’ll call back later.
Before a problem can be solved, it must be obvious ______the problem itself is.
In the global economy, a new drug for cancer, it is discovered, will create many economic possibilities around the world.
Shortly after suffering from a massive earthquake and to ruins, the city took on a new look.