As far as we know, Tom spends at least as much time watching TV as he .
As is known to us all, the opening ceremony of the Shanghai World Expo, ____ theme is “Better City, Better Life”, will begin on May 1st, 2010.
Such great achievements ____ so far that many friends abroad can hardly believe that.
So far no life has been found outside the earth, but while some scientists are actively searching for living things in outer space, others firmly believe there ____ .
The price of the flat now is ____ that last year.
— Did you watch the football match last night?— Yes, that’s a most close one, and eventually neither could defeat ____.