Li Na won the tennis match in France _______ June 4th, 2011. [ ]
The space is left to let the rail expand when it gets hot, ______?
Alice is sitting ________ two students. The one on her left is Mary and the one on her right is James. [ ]
Don’t ______ this old man. It’s not polite.— Sorry, we won’t do that again.
Do you have any ideas ________ is actually going on in the classroom?