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. [ ]

Wewantedtogethomebeforedark,butitdidn’tquite________asplanned

The experiment has reached a stage ________ they can almost do nothing about it [ ]

What do you ______ the story. —It’s boring.

e to my class every week, but his attitude______ he was not really interested in the subject