单项选择题
A．Fix his car. B．Prepare the dinner. C．Meet his client. D．Work at his office.
A．The organization of a conference. B．The decoration of the conference room. C．The job of cleaning up the dining-room. D．The cost of renting a conference room.
A．Take courses with a lighter workload. B．Drop one course and do it next semester. C．Do the assignments towards the end of the semester. D．Quit the history course and choose another one instead.