29. As we all know, the 2012 Olympic Games ______ in London, which is an ancient city.
On the bus I saw a student____ I thought was your brother.
We’ll never forget the days ______ we lived in the country.
He lives in a room _______ faces the south.
Is this dictionary _____ you bought yesterday?
The skirt ______ she spent 50 yuan is very beautiful on her.