21. One of the advantages of living on the top floor of a high rise is that you can get a good ____.
A. sight B. scene C. look D. view
22. I was trying to sound _______ even when I was very nervous while I was making the speech.
A. active B. fluent C. peaceful D. calm
23. There is an old saying, “Unity is ______.”
A. power B. energy C. force D. strength
