Before a problem can be solved, it must be obvious ______the problem itself is.
A. what B. that C. which D. why
In the global economy, a new drug for cancer, it is discovered, will create many economic possibilities around the world.
A. whatever B. whoever C. wherever D. whichever
Shortly after suffering from a massive earthquake and to ruins, the city took on a new look.
A. reducing B. reduced C. being reduced D. having reduced
The president of the World Bank says he has a passion for China , he remembers starting as early as his childhood.
A. where B. which C. what D. when
Anyone, once ____ positive for H7N9 flu virus, will receive free medical treatment from our government.
A. to be tested B. being tested C. tested D. to test
With the school rules _____ by the students, the school has taken on a new look.
A. respected B. respect C. were respected D. respecting
