Mr. Wu is a teacher with _______. He often tells us some of his unusual _______ in America.
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.