Recently I bought an ancient Chinese vase，________ was very reasonable.
A．the price of it B．its price C．the price of which D．the price of whose
Mr. Smith is _______ a teacher. He is a friend as well. We all respect him.
A．other than B．more than C．less than D．rather than
The story happened in________ and the hero was in his________.
A．1840s；thirty B．the 1840s；thirty
C．1840s；thirties D．the 1840s；thirties
Can you tell me the way you think of________ the problem?
A．to work out B．working out C. work out D．to work
As a new graduate，he doesn't know ________it takes to start a business here.
A．how B．what C．when D．which
The snow lasted a week, ________a serious traffic confusion in the whole area.
A. causing B. cause C. to cause D. caused
