英语翻译1、they work on their speeches and pratice answering ques

英语翻译1、they work on their speeches and pratice answering questions2、he slipped away with my second grade book.3、his enthusiasm and ability brought him an offer to become a line boss--until he was handedthe qualification test4、his health began to fail ,and he was in and out of the hospital with two mild heart attacks.词组1 pay off2 heart attack