Whenever I met her, _________ was fairly often, she greeted me with a sweet smile.
I think that the problem should be dealt with by the government _________ ordinary people.
Although some unexpected difficulties have _________ in the process, we are confident that we can handle them.
—Some people believe that robots will take over the world one day. —What if that is the _________?
The Sydney Opera House, which _________ almost 900 rooms and halls of different sizes, is definitely at the top of our list when we travel to Australia.
In a foreign company, if you have a good command of English, you _________ much more easily.