I'm sorry but I can't come to class. Can you give me the homework assignment? You need to read chapters 17 to 20. What should I do? I'll post the links online. I can give you the practice test. https://339efcb25eb75e967b0d-ff8eeadd950d51fd1fc939dca75b3973.ssl.cf1.rackcdn.com/assets_default.swf