However, it only appears in the imagination and will never be ______.

168Whenever I met him, _____ was fairly frequent, _____ I liked his sweet and hopeful smile

I ______ the help of my colleagues in thepreparation of this new column.

Please turn to page _________ and look at the __________picture in this unit.

There is _______ on using mobile phones atthe gas station.–Do you mean talking on the mobile phone________ at the gas station