Ⅰ.用所给词的适当形式填空 1.When you get the paper back, pay special attention to what has been marked (mark). 2.Great changes have taken place (take place) in my hometown since 2000. 3.When I reached the station, the tickets had already been sold(already sell) out. 4.In some parts of the world, such as in England, tea is served (serve) with milk and sugar. 5.As for the English Speaking Competition,when and where it will be held hasn't been decided (not decide) yet...