单项选择题A．When her family celebration is over. B．After the man graduates from school. C．After they have some pictures taken together. D．When she has bought her cap and gown.

单项选择题A．Excited. B．Thankful. C．Somewhat disappointed. D．Somewhat bothered.

单项选择题A．To a meeting.B．To the office. C． To a restaurant.D．To a bowling class.

单项选择题A．He needs some tomato juice. B．His shirt is stained. C．He needs his shirt by tomorrow. D．His shirt is missing.

单项选择题A．By car. B．By plane. C．By train.D．By ferry.

单项选择题A．She had lost her job. B．She didn’t know the mayor. C．She was mistaken. D． The man misunderstood her.

单项选择题A．The woman is going out to lunch. B．The woman wants to eat some chocolate. C．The woman will go to a convenience store. D． The woman will be back in 30 minutes.

单项选择题A．In San FranciscoB．At an airport. C． At a travel agencyD．In a post office.

单项选择题How many revolutions must the largest cog make in order to bring the cogs back to their original positions

单项选择题BONA FIDE is to genuine as DE FACTO is to________.