单项选择题
A．The man will rent the apartment when it is available. B．The man made a bargain with the landlady over the rent. C．The man insists on having a look at the apartment first. D．The man is not fully satisfied with the apartment.
A．Trim the apple trees in her yard. B．Pick up the apples that felt in her yard. C．Take the garbage to the curb for her. D．Remove the branches from her yard.
A．Bad weather. B．Human error. C．Breakdown of the engines. D．Failure of the communications system.