单项选择题
A．he hates idle talk B．it always comes at an inopportune time C．it might carry some important message D．he doesn’t want to be impolite to any one on the telephone
A．a discount for becoming members B．a box which fits nearly into most car C．a selection of parts which may be needed D．a chance to rent a car cheaply
A．The receipt had been stolen by someone. B．someone had taken away the case. C．He could not claim his case without the receipt. D．He had left his receipt at hom