There are hundreds of visitors __________ in front of the Art Gallery to have a look at Van Gogh’s paintings.
--Why will you hang that photograph on the wall? --__________ visitors of the memorial days of the Long March, Sir.
During enjoying the Mid-Autumn Festival, celebrating the harvest is an important reason, but of __________ importance is the whole family’s get-together.
Trains with the first letter D or Z can run __________ a speed of more than 200 kilometers an hour when it travels __________ the desert.
People try to avoid public transportation delays by using their own cars, and this _________ creates further problems.
_______, they will meet you at the airport but if they can’t arrive on time, you can take a taxi instead.