It seems to some experts that there are only three commonly-used vedio websites in this area: 56.com, Youku.com, Tudou.com and they_______ 90% of the market.(成都市)
_____,I think , and the problems could be settled .
By now we’ve (already) nearly stopped writing to each other . But ______we kept in touch regularly .
No matter how the enemy frightened him ,he ______say a word .
For many Beijingers ,dreams of living in ______green area are becoming ______reality .
______I used to go mountain—climbing every summer .