Recently, employees at the Shanghai Metro’s Railway Station Stop have been busy learning dialects from other parts of the country, ___________ aims to provide better service to travelers from outside the city.
.Not until she arrived home _____ that her wallet had been stolen.
So far, the disease has not been _____ terrible as it seems to be.
—Hi, Tom, Any idea where Jane is? — She __ in the classroom. I saw her there just now.
Great changes ____________ in my hometown in the past few years.
Keep on trying. Never _________. I am sure you will succeed sooner or later.