______ nearly all behavior is learned behavior is a basic assumption ______ has been put forward by the social scientists.
| A．What, that | B．That, what | C．What, what | D．That, that |
When Chinese people talk about American cities，the first comes into their minds is San Francisco.
| A．city | B．one | C．that | D．of them |
The nurse treated the boy very kindly，but he was so naughty that her patience at last.
| A．used up | B．got away | C．went down | D．gave out |
——Who do you know lit the Olympic flame on August 8，2008？
——The former gymnastics star Li Ning.
| A．was it that | B．that it was | C．that was it | D．it was that |
The news that Obama was elected president of the United States is not mystery.
| A．the；the | B．a；/ | C．/；a | D．the；a |
________the programme，they have to stay there for another two weeks．
| A．Not completing | B．Not completed |
| C．Not having completed | D．Having not completed |