——Do you know the man wearing a pair of glasses?-------Yes.He’s a teacher of _________.He teaches _________history.
I don’t like physics ______ it’s too difficult for me.
---- It’s time _____ lunch. ---- OK. Let’s _____.
There _____ a ticket, a lamp and some keys on the table.
----_____ do you _____ the book? ---- It’s very interesting.
There is a beautiful garden _____ Kangkang’s house.