We don’t doubt ____ he’ll give us much help. _____ we doubt is _____ he’ll come on time
| A．whether, That, when | B．that, What, whether |
| C．whether, What, whether | D．that, Why, whether |
---- Sorry, I have to ______ now. It’s time for class.
---- OK, I’ll call back later.
| A．hang up | B．break up | C．give up | D．hold up |
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 |