_____ name is Gina, and _____ is my good friend.
Would you please the paper for me and see if there are any mistakes?
Great changes __ in the city in the past 20 years, and a lot of factories ____.
--Which of the following sentence is right? --I wonder _________.
The factory which I visited yesterday was not the one I once worked.
Many countries, American, Japan, Brazil and Spain wanted to host the 2016 Olympic Games.