Tianjin, __________ among the 10 cities with the worst air quality in the third quarter of the year, has shut down 440 high polluting factories since January this year.
I have worked with children before, so I knew what _______ in my new job.
The exhibition hall is clean and tidy, with a range of goods already ________ for sale.
Everyone queued up before the booking office in silence, having nothing to do but _________.
Every spring, the park becomes ______ colourful place with lovely flowers everywhere, which is ______ absolutely fantastic sight.
______ a mile in the fastest time while doing gymnastically correct lunges is yet another event______ Ashrita is outstanding.