It is reported that in our country cities ________ heavy air pollution that is 30 percent above the national standard or higher should try to meet standards by 2030.
When first to the market, these products enjoyed great success. (2012.全国Ⅱ)
If ______ to look after luggage for someone else, inform the police at once.
--- How did you know it? --- Well, the newsall over the town.
Though in San Francisco, Dave had always preferred to record the plain facts of small town life.
--- Where is he? --- He is visit to Rome.