27．To tell you the truth，the accident and the damage______resulted in frightened me so much that I almost have given up driving ever since．
| A．that | B．it | C．which | D．What |
. Exercise is ________ as any other to lose unwanted weight.
| A．so useful a way | B．as a useful way | C．as useful a way | D．such a useful way |
The Haiti earthquake at the beginning of 2010 is believed _______ more than 100,0130 people and makes millions homeless, ______ it perhaps the most destroying earthquake in history.
| A．to kill; making | B．to have killed; making | C．having killed; to make | D．killing; made |
Canada's economic wealth is closely linked to _______ of the US, which buys three-quarters of its exports.
| A．which | B．what | C．that | D．one |
— May I ask you a favor?
— ___________
A It’s my pleasure. B I have no timeC With pleasureD Sure, go ahead.
It is global warming, rather than other factors, _______ the extreme weather.
A that have led to B which has causedC which are causing D that has led to