20．With the development of the economy, the ____ of electricity cannot meet the demand of the whole province.

　A． chain　 　　　　　　 B． storage　 　　　　　 C． connectio　　　　　 D． supply

19．Mr. Stevens ____ his business by telephone when he was in hospital.

　　　 A．kept in touch with　　　　　　　 　　　 B． kept track for　

　　　 C． broke away from　　　　　　　 　　　 D． lost track of

18．---What _______ the taxi drivers in Beijing to take up the study of English?

　 　----The successful bid for the 2008 Olympic Games.　　　　　　　　

　　 A． demands　　　　　　 B． forces　 　　　　　　 C． comforts　 　　　　 D． inspires

17．I’d like to buy a house --- modern, comfortable, and ____ in a quiet neighborhood.

A． in all　　　　 B． above all　　　 　　 C． after all　　 　　　 D． at all