So much progress ________ made in studies that he is sure to pass the coming examination.
| A．is he | B．has he | C．he is | D．he has |
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 |
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 |
I should not have laughed if I ______ you were serious.
| A．thought | B．would think | C．had thought | D．have thought |
Team leaders must ensure that all members ______ their natural desire to avoid the embarrassment associated with making mistakes.
| A．get over | B．look over | C．take over | D．come over |
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 |