WORDS c; a;d【即学即练】1. break up 2. broken up 3. break into 4. broke down 5. broke upform【自我归纳】 in【即学即练】1. If you fill in this form 2. the best form3. has formed the habit ofrely on【自我归纳】 for; to do【即学即练】1. My brother can help. At least we can rely on him.2. Can we rely on him to support us?3. Many people now rely on the Internet for news.perform【自我归纳】 表演【即学即练】1. He asked me to perform a simple task on the computer.2. So far, his plays have been performed many times.