单项选择题
The French pianist who had been praised very highly（）to be a great disappointment.
A.turned up B.turned out C.turned in D.turned down
单项选择题 One day, you will have to（）this foolish behavior.
单项选择题 The coming of the railways in the 1830s（）our society and economy.
单项选择题 The secret agent concealed his real mission, so many local people were（）into thinking that he was a good person.
