COMMAS 1) Insert commas where necessary. A) Even though such results were anticipated they still surpassed even the most optimistic expectations. B) Penicillin is a powerful antibiotic. Some people however are allergic to it. C) Bacterial infections can be cured with antibiotics whereas viruses cannot. D) The results which were obtained during the trial were later used in other experiments. E) Being composed of various parts of speech regular sentences can be extremely long. F) An American immigrant Levi Strauss invented blue jeans in the 1860s; eventually his product clothed working men throughout the West. G) The reason why I joined this group of scientists was to make a difference. H) I am very worried about bullying in the school as are a lot of the parents. I) After having been shown inefficient the process was replaced by a different method. J) This is the solution to the problem that we always wanted. K) At first the Frodo-Gollum method was chosen; however since the code took relatively long to compile the more time-efficient Aragorn-Gandalf method was chosen instead. L) Firstly this paper deals with the issue of spontaneous combustion and secondly it also addresses the topic of sweet ketchup. M) It was the careful attention to detail rather than the length of the text that made the research extremely invaluable. 2) Insert commas into the following text. The Great Depression was an important time in our nation’s history. Unemployment urban decay and a sense of hopelessness filled almost every part of human life. Yet even in the midst of great misery people needed to entertain themselves. People tried many different ways to relieve their tensions from religious revivals to Jazz music to membership in the Communist party. But a whole lot of average people who were suffering in their daily lives often sought escapist entertainment in the form of movies. One such movie was Charlie Chaplin’s Modern Times. In Modern Times “The Little Tramp” symbolizes the simple human values that are threatened by industrialism.