What is the better business bureau?

Which is these sentences can be deleted from the first paragraph sentence 4 sentence 2 sentence 5 sentence 3

After studying french for 5 yearscin school, i was shocked to discover when i went to france that i couldn't even get a glass of water without a lot of sign language what is the author main point

31. all the following are effective ways of preparing for an interview except practicing in front on a mirror writing down answers to possible questions holding a mock interview with a friend memorizing interview questions and answers