一Excuse me．I want to buy some stamps，but I can’t find a post office．一I know________ nearby．Come on，I’II show you．

----Have you seen Tom and Mary?----I haven’t seen____ of them. 

―Did you hear the news this morning?  ―Oh, yes, ________ was announced on the radio has caused great excitement among pupils. 

I’d like an ice cream. Are you having ________,too?

Most of the housework was done by two members of the family, my sister and _______.