Select the choice that best describes the sentence structure problem with each item. Never run out of postage again, buy postage with Postage by Phone anytime day or night. Data entry and filing, routine office chores. Choose... comma splice unclear antecedent misplaced modifier fused sentence lack of parallelism sentence fragment Smart cards are similar to debit cards however they contain tiny computer chips that can store amounts of money and selected data. The school is responsible for children's safety in the classroom and playground. Choose... Before introducing a new product, research must be done. Choose