单项选择题
A．Their father is unable to keep his promise. B．Their father is going on a vacation without her. C．Their father isn’t telling her the truth. D．Their father doesn’t want to travel abroad.
A．She doesn’t have a fax machine. B．She may quit her present job soon. C．She is tired of her present job. D．Her phone number has changed.
A．He thinks that there won’t be enough seats for everybody. B．He thinks that the speaker won’t show up. C．He thinks the seminar won’t be open to the public. D．He thinks that there might not be any more tickets available.