All over the world the mobile phone has leaped from being an impossible luxury in the early 1980s to most people would now call a necessity.
Last night he worked until late. _____, he had to walk home in the dark.
_______ with the size of the whole earth, the biggest ocean does not seem big at all.
Nobody wants to__________especially in public.
Struck by the terrible earthquake, Wenchuan, a country in Sichuan province, was _____ from the outside.
The number of people invited to the party ______ fifty, but a number of them ______ absent for different reasons.