The first thing ________ we should do is to master the basic grammar.

Of the two best-sellers，which do you think is________tome

Which park would you like to visit,People’s Park or West Hill Park— ______. I would like to visit SeasidePark.

How was the talk this morning—It’s just a waste of time. There is ________ nothing worth listening to.

1Tigers like toeat _____________, but koalas like to eat____________.