Above one third of the population in Beijing and Shanghai netizens, but in poorareas, only three or four percent online.
29.He turned down the request of his friend because it was________the limit of his power.
28.After driving for five hours, they arrived at_______they thought was the place th ey had been dreaming of.
27.If you had worked hard, you ______ so anxious now.
26.______ I'm willing to help, I do not have much time available.
25.The rise of oil prices made scientists search for new energy resources ______ oil.