The murder happened in an old building, beside ______ the city police station.
—Flight MU257 ____ . I must be off now. —Have a nice trip.
When ____ comes to saving energy, big changes start with small steps, like turning off the lights.
Of the two cameras, I would prefer_____ one, which is very easy for me to carry.
Mr Jones, a professor, ____ for his excellent lectures, is popular with his students.
—Can you give some advice on what I said just now? —Sorry. My mind____.