In crowded places like airports and railway stations, you __________ take care of your luggage.
Thank you very much. Without your help we ______ car started.
--- Any news about the fire?--- Nearly 20 people ______ from the burning building by now.
--- May I visit you at 10 o’clock tomorrow morning?--- I’m afraid I ______ a document for my boss then. What about 12:00?
The meeting ______ next Thursday mainly aims to deal with the problems related to teenagers’ mental health.
By the time he arrives in Beijing, we ______ here for two days.