During the tourist season, there are many people wandering in this city to see the old castles _____ in the sixteenth century.
There aren’t _______ fans, but there are ________computers.
---Are you Millie? ---_____________ .
Mr.Zhao is teacher. is a good teacher .
---Whose shirt is that? ---It’s _____________.
---How many ________ are there in your class? ---There are twenty-five.