--- Can I help you ? --- I’d like to buy a present for my best friend, _______at proper price but of great use.
Mr. Liu dreamed ____ a big house for his parents after they retire.
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?