It seems to some experts that there are only three commonly-used video websites in this area: 56.com, Youku.com, Tudou.com and they_______ 90% of the market.
_____ China’s reform and opening up in late 1978, its quick development has aroused worldwide attention, which has made America anxious about it.
Mr Smith, ________of the _________speech, started to read a novel.
Whenever I met him, _____ was fairly often, I like his sweet and hopeful smile.
All of us still remember the terrible earthquake that _______Tangshan twenty years ago.
The College Entrance Examination __________near, so you should be prepared for it.