The price of petrol(汽油) is not _______ that of last year, so some more people are planning to buy cars.

I wonder________there are so many natural disasters across the world in 2010.

He ought ot have been warned of the danger. — ____, but he wouldn’t listen to me. [ ]

____ with the size of the whole earth, thehighest mountain doesn’t seem high at all.

Pratt failed many times but he finally ____ to find asuccessful way to solve the problem