单项选择题
A．总体上说，经济形势有了改变。 B．半数地区的经济态势有了好转。 C．整个经济形势已被证明了。 D．总的经济形势有了好转。
A．They help and see for blind people. B．They have only one eye. C．They are less intelligent than German shepherds. D．They can only help the blind walk always along the streets.
A．could no longer put up with the visitor B．could no longer stand but he might sit down C．was very tired and wanted to have a rest D．was very happy with the visitor